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First name · Masculine

Olaf

It climbed through the 2010s and has been sliding since, given to fewer boys each year. A Slavic name meaning "ancestor's descendant", it stays uncommon enough that meeting one sticks with you, and it goes only to men.

Olaf Pronunciation

Olaf is pronounced O-lahf (/ˈɔlaf/).

Alive in 2025
19,618
Newborns 2025
317
National rank
#278
Meaning & Origin

What Olaf means

Where Olaf comes from and what it has meant to the people who carry it.

Olaf reaches Poland with a Scandinavian sound and a Slavic root, and the meaning is plain: potomek przodków, an ancestor's descendant. The name points backward. It marks the line a child enters, the family standing behind the given name rather than the child alone.

The best documented bearer is Olaf II, king of Norway in the eleventh century, killed at the battle of Stiklestad in 1030 and later canonized as the country's patron saint. His feast falls on 29 July, and the Polish calendar keeps an imieniny for Olaf in that same late-July week.

In Poland the name stays whole. It has no everyday diminutive, no shortened pet form that slips loose from it, so the Olaf called out in a school register is the same Olaf written on a form at the urząd. What the name hands the boy is old and literal: the sense of a descendant, an heir of the ancestors.

How many

How many people are named Olaf

1 in 1088 men in Poland is named Olaf. 19,618 people carry it in the 2025 register: rank #278 among male names.

Living Olafs · 2019 → 2025
19,618 +3,620 since 2019
+509 2020
+796 2021
+744 2022
+668 2023
+469 2024
+434 2025
Trend

Olaf's popularity over time

317 boys were given the name in 2025, ranking #143 among newborns. It has been stable for a decade.

317 newborn Olafs in 2025
national rank #143 that year
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Regions

Where Olaf is most popular

Olaf is most popular in Warmian-Masurian, 53% above the national average (207 boys born 2019–2025), followed by Pomeranian (+32%) and Greater Poland (+20%). It is least common in Masovian and Łódź, 24% and 20% below average respectively.

More common than average Less common than average
Middle name

Olaf as a middle name

Olaf is a first name for 19,618 men in Poland and a middle name for another 3,699, an 84/16 split. In the men's middle-name ranking it sits 141st, between Gustaw (3,718) and Teofil (3,698).

As a first name
19,618
As a middle name
3,699
first name · 84% middle name · 16%
Name day

When Olaf celebrates name day

Olaf appears 1 time in the Polish name day calendar. The main date is 29 July.

Next name day
29 July
Wed · 2026
in 3 days

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