Rastislav: 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".
Rastislav has maintained its appeal as a masculine name in modern times while preserving its Slavic roots. Today, parents are drawn to its meaningful 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" and its cultural richness. This name bridges traditional heritage with contemporary naming trends.
Quick Facts About Rastislav
Quick facts about Rastislav
Origin
Slavic
Gender
Boy name
Popularity
Uncommon
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 Rastislav
Rastislav is pronounced /ˈrɑː.stɪ.slɑːv/
Step-by-step pronunciation guide:
Break it into syllables: Ras-tis-lav
Say it like: "RAS-TIS-LAV"
Practice saying it naturally a few times
Usage & Popularity
This name has found popularity across croatian, slovene, and slovak speaking regions, demonstrating its cross-cultural appeal and adaptability.
croatiansloveneslovak
Frequently Asked Questions About Rastislav
What does the name Rastislav mean?
Rastislav 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 Rastislav 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. Rastislav offers a distinctive option for parents who want a name with clear meaning that stands apart from more common choices. 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 Rastislav?
Rastislav 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. From its slavic roots, Rastislav spread to become common in croatian, slovene, slovak. 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 Rastislav a boy or girl name?
Rastislav 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, Rastislav 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 Rastislav?
Rastislav is pronounced "/ˈrɑː.stɪ.slɑːv/". This pronunciation follows sl language patterns. As a single-syllable name, Rastislav is quick to say and easy to call out. Pronunciation may vary slightly in croatian, slovene, slovak, where the name is also used. Local accents and language rules can shift certain sounds while keeping the name recognizable. If you're unfamiliar with slavic names, listening to a native speaker say Rastislav can help you catch the right rhythm and emphasis. The name's root *rad-ti > *rasti sláva > Rastislav influences how Rastislav sounds in its original language.
How popular is the name Rastislav?
Rastislav is less common but not rare. As a less common choice, Rastislav gives a child a name that stands out. Most people will encounter it rarely, making it memorable when they do. Rastislav'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, Rastislav holds its own, appealing to parents who value distinctive options.
Where is the name Rastislav commonly used?
Rastislav is common in croatian and slovene and slovak naming traditions. Though slavic in origin, Rastislav found a home in other cultures where it resonated with local naming preferences. Names that work across multiple cultures, like Rastislav, often have straightforward pronunciation and positive meanings that translate well. 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 Rastislav into their naming traditions. A child named Rastislav 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, Rastislav is given to boys, maintaining consistent gender association.
What is the cultural significance of Rastislav?
Rastislav 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 Rastislav 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 Rastislav sets certain expectations. Parents choosing Rastislav often connect with one or more of these associations, selecting the name because it represents qualities they value or wish for their child. In croatian 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.