Namesakes
Australian Prime Ministers:
1 prime minister
Joseph Cook 1913-1914 
Fictional Characters from Television:
1 character
Jackie Cook 2004 Veronica Mars
Hall-of-Famers:
2 ice hockey
(ice hockey) Bill Cook 1952
(ice hockey) Fred "Bun" Cook 1995
Notable Actors and Entertainers:
3 actors
A. J. Cook 1978-
Rachael Leigh Cook 1979-
Simone Missick (a.k.a. Cook) 1982-
Notable Athletes:
1 ice hockey
(ice hockey) Bill Cook 1896-1986
Notable Businesspeople:
2 businesspersons
Thomas Cook 1808-1892
Tim Cook 1960-
Notable Explorers and Adventurers:
2 explorers
James Cook 1728-1779
Frederick Cook 1865-1940
Notable Musicians:
1 musician
Norman "Fatboy Slim" Cook 1963-
Olympic Medalists:
2 bronze, 2 bronze/silver, 1 gold, 1 silver
(gold) Myrtle Cook 1928 4x100 m relay
(bronze) Wendy Cook-Hogg 1976 swimming - 4x100 m medley relay
(silver) Garry Cook 1984 4x400 m relay
(bronze) Kathy Smallwood-Cook 1980; 1984 400 m; 4x100 m relay
(bronze/silver) Allison Tranquilli (a.k.a. Cook) 1996; 2004 basketball
(bronze/silver) Kristina Cook 2008; 2012 equestrian
Rock and Roll Hall-of-Famers:
2 musicians
Stu Cook 1993 Creedence Clearwater Revival
Paul Cook 2006 The Sex Pistols
Saints:
1 blessed
Blessed Hugh Cook Faringdon c. 1490-1539