Rosław: a male name of Slavic origin meaning "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation".It derives from the Slavic word "*rad-ti > *rasti sláva > Rastislav".
The name Rosław carries a rich history rooted in Slavic culture. Derived from "*rad-ti > *rasti sláva > Rastislav", this masculine name embodies the essence of This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation. Its linguistic journey through centuries reflects the cultural values and traditions of Slavic-speaking communities.
Quick Facts About Rosław
Quick facts about Rosław
Origin
Slavic
Gender
Boy name
Popularity
Moderately popular
Researched by Name Doctor Linguistics Team
Our names are verified by professional linguists with expertise in etymology and cultural naming traditions.
Last reviewed: November 2025
Meaning
This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13.
Etymology & Details
Name Root
*rad-ti > *rasti sláva > Rastislav
How to Pronounce Rosław
Rosław is pronounced /ˈrɔs.waf/
Step-by-step pronunciation guide:
Break it into syllables: Ros-ław
Say it like: "ROS-ŁAW"
Practice saying it naturally a few times
Usage & Popularity
Rosław is predominantly used in polish speaking communities, where it maintains strong cultural connections and traditional significance.
polish
Frequently Asked Questions About Rosław
What does the name Rosław mean?
Rosław means "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13.". The name comes from *rad-ti > *rasti sláva > Rastislav. In its original form, the name derives from rȃsti (ра̑сти) sláva (сла́ва). This slavic name has been passed down through generations, carrying its meaning across different cultures and time periods. Parents who choose Rosław for boys often connect with the name's meaning of "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." as a quality they hope to see in their child. While not the most common choice, Rosław's meaningful roots have given it staying power among parents looking for a name with substance. The name is associated with qualities like RELIGION (SAINTS), reflecting its meaning in how people perceive those who carry it.
What is the origin of the name Rosław?
Rosław is a slavic name. The name traces back to *rad-ti > *rasti sláva > Rastislav. The original form rȃsti (ра̑сти) sláva (сла́ва) shows the name's roots in its native language. The name remains closely tied to polish naming traditions while occasionally appearing in other cultures. The slavic meaning "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." reflects values important in the culture where this name first appeared.
Is Rosław a boy or girl name?
Rosław is a boy's name. The name has been used for boys across many generations, maintaining its masculine character through different eras and cultures. In slavic tradition, Rosław has historically been given to boys. The meaning "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." carries well for a son, giving the name lasting appeal.
How do you pronounce Rosław?
Rosław is pronounced "/ˈrɔs.waf/". This pronunciation follows sl language patterns. As a single-syllable name, Rosław is quick to say and easy to call out. If you're unfamiliar with slavic names, listening to a native speaker say Rosław can help you catch the right rhythm and emphasis. The name's root *rad-ti > *rasti sláva > Rastislav influences how Rosław sounds in its original language.
What are common nicknames for Rosław?
Rosław is commonly used as a nickname for Rościsław. Being a shortened version of Rościsław, Rosław offers a casual alternative that's quicker to say in everyday conversation. Many people named Rościsław go by Rosław throughout their lives, using the full name only on official documents. In slavic cultures, using Rosław as a nickname carries a sense of familiarity and warmth. This nickname pattern is common among boys and men, though some now use Rosław as a given name on its own. Today, parents sometimes put Rosław on the birth certificate directly, skipping the longer form entirely. This gives the child a name that feels both complete and approachable.
How popular is the name Rosław?
Rosław is somewhat common, familiar to most people. With moderate popularity, Rosław offers familiarity without being everywhere. It's the kind of name people recognize but don't hear every day. Rosław's popularity may vary between slavic communities and the broader population, where naming trends differ. The name's meaning of "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." likely influences its appeal, as parents often choose names that express values or hopes for their children. Among boys' names, Rosław holds its own, appealing to parents who value distinctive options.
Where is the name Rosław commonly used?
Rosław is used primarily in polish naming traditions. Though slavic in origin, Rosław found a home in other cultures where it resonated with local naming preferences. The meaning "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." carries universal appeal, helping explain why different cultures adopted Rosław into their naming traditions. A child named Rosław will likely find their name recognized in multiple countries, which can be an advantage for families with international connections or who value global accessibility. Across these cultures, Rosław is given to boys, maintaining consistent gender association.
What is the cultural significance of Rosław?
Rosław carries associations with RELIGION (SAINTS). These qualities shape how people perceive the name and those who carry it, creating expectations and first impressions. The name's meaning of "This name derives from the Old Slavic name “Rastislav,” composed of two elements: From the Proto-Baltic “*rad-ti > *rasti” (Serbian: rȃsti “ра̑сти”), meaning “to grow, high, to increase, to raise” plus the Slavic “sláva (сла́ва),” meaning “glory, fame, renown, honor, repute, reputation.” The name means “one who increases his glory.” Rastislav or Rostislav, also known as St. Rastislav (Latin: Rastiz, Greek: Rasisthlabos), was the second known ruler of Moravia (846–870). Although he started his reign as a vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855, he was able to repel a series of Frankish attacks. According to the Czech calendar, the feast day is celebrated on April 19, Slovakia, on January 13." reinforces these associations, connecting the literal translation to the character traits people expect. In slavic culture, where Rosław originates, these qualities held particular value, making the name a way to express hopes for a child's character. Research shows that names do influence perceptions. People form impressions based on names before meeting someone, which means choosing Rosław sets certain expectations. Parents choosing Rosław often connect with one or more of these associations, selecting the name because it represents qualities they value or wish for their child. In polish communities, these associations may carry extra weight, as naming traditions often reinforce cultural values.
Sources: Etymology verified through linguistic research including Oxford Dictionary of First Names, Behind the Name, and academic etymology databases.