Namesakes
New Zealand Prime Ministers:
1 prime minister
Harry Atkinson 1876-1877; 1883-1884; 1884; 1887-1891 
Notable Actors and Entertainers:
2 actors, 1 model/actor
Rowan Atkinson 1955-
Jayne Atkinson 1959-
Gemma Atkinson 1984-
Olympic Medalists:
1 silver/gold
(silver/gold) Sid Atkinson 1924; 1928 110 m hurdles
Rock and Roll Hall-of-Famers:
1 musician
Paul Atkinson 2019 The Zombies
Saints:
1 blessed
Blessed Thomas Atkinson 1546-1616