Saarinen is a surname originating in Finland. It may refer to:
Aarne Saarinen, Finnish politician
Aino-Kaisa Saarinen, Finnish skier
Arno Saarinen, Finnish gymnast
Eliel Saarinen, Finnish architect
Eero Saarinen, son of Eliel, also a Finnish architect and furniture designer
Eeva Saarinen, Finnish breaststroke swimmer
Esa Saarinen, Finnish philosopher
Ingegerd Saarinen, Swedish politician
Jaana Saarinen, Finnish actress
Janne Saarinen, Finnish footballer
Jarno Saarinen, (1945-1973), Finnish motorcycle racer
Jenni Saarinen, Finnish figure skater
Mari Saarinen, Finnish ice hockey player
Martti Saarinen, Finnish singer
Olavi Saarinen, Finnish politician
Ossi Saarinen, Finnish ice hockey player
Pekka Saarinen, Finnish car racer
Sakari Saarinen, Finnish footballer
Simo Saarinen, Finnish ice hockey player
Veli Saarinen, Finnish cross-country skier