Lukasz
From the Greek Loukas, a name Latin speakers tied to lux, light: in Polish it reads as światłość, jasność. This spelling stays rare, one most Poles have never come across, and it goes only to boys.
Lukasz Pronunciation
Lukasz is pronounced LOO-kahsh (/ˈlukaʂ/).
What Lukasz means
Where Lukasz comes from and what it has meant to the people who carry it.
Łukasz reached Polish through Greek, where Loukas marked someone from Lucania, a region of southern Italy. Latin speakers heard the word lux inside it, and the meaning bent toward light. That reading holds in Polish today as światłość and jasność.
The name owes much of its reach to Saint Luke the Evangelist, the physician credited with the third Gospel. Poland keeps his imieniny on 18 October. On that morning a boy called Łukasz might hear his name read out from the front of a class register.
The forms stay close to the root. Łukas keeps the older spelling, Łukasz softens the ending. A short name. The feminine Łucja bends to the same Latin light, lux.
When Lukasz celebrates name day
Lukasz appears 8 times in the Polish name day calendar, 3 of them as a main name, the first on 17 February.
The days Polish calendars list this name on. By custom you celebrate one of them, usually the first after your birthday.
Rarer dates. Only the most complete calendars add this name on these days. Most skip them, so hardly anyone celebrates then.
How many people are named Lukasz
1 in 133414 men in Poland is named Lukasz. 160 people carry it in the 2025 register: rank #2553 among male names.
Lukasz's popularity over time
Fewer than 2 boys were given the name in 2025. It has been climbing since 2025.
Where Lukasz is most popular
Lukasz is most popular in Łódź, 1605% above the national average (2 boys born 2019–2025).
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Łódź2 boys born+1605%
Lukasz as a middle name
Lukasz is a first name for 160 men in Poland and a middle name for another 269, a 37/63 split. In the men's middle-name ranking it sits 432nd, between Raj (271) and Anastazy (268).
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#430 Filipe271
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#431 Raj271
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#432 Lukasz269
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#433 Anastazy268
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#434 Scott268