Namesakes
Fictional Characters from Movies:
2 characters
Stanley Kowalski 1951 A Streetcar Named Desire 
Roxanne Kowalski 1987 Roxanne
Fictional Characters from Plays and Musicals:
2 characters
Stella Kowalski 1947 A Streetcar Named Desire
Stanley Kowalski 1947 A Streetcar Named Desire
Fictional Characters from Television:
1 character
Ray Kowalski 1994 Due South
Olympic Medalists:
1 gold, 1 silver/bronze/gold
(silver/bronze/gold) Daniel Kowalski 1996; 2000 swimming - 1500 m freestyle; swimming - 200 m freestyle; swimming - 400 m freestyle; swimming - 4x200 m freestyle relay
(gold) Manja Kowalski 2000 rowing