Namesakes
Eurovision Song Contest Winners:
1 winner
Charlotte Perrelli (a.k.a. Nilsson) 1999 Sweden 
Notable Actors and Entertainers:
1 actor
Inger Nilsson 1959-
Notable Athletes:
1 handball, 1 soccer
(handball) Andreas Nilsson 1990-
(soccer) Victor Lindelöf (a.k.a. Nilsson) 1994-
Notable Musicians:
2 singers
Birgit Nilsson 1918-2005
Charlotte Perrelli (a.k.a. Nilsson) 1974-
Olympic Medalists:
3 bronze, 3 silver
(bronze) Otto Nilsson 1908 javelin throw
(bronze) Carin Nilsson 1920 swimming - 4x100 m freestyle relay
(silver) Nils Nilsson 1964 ice hockey
(silver) Dave Nilsson 2004 baseball
(silver) Andreas Nilsson 2012 handball
(bronze) Stina Nilsson 2014 cross-country skiing