Ann Orvokki Selin (born 22 July 1960) is a Finnish former trade union leader. Born in Helsinki, Selin began working in 1976, as a clerk for the Commercial Workers' Union. In 1987, the union merged into the Business Union, for which Selin became a youth officer. In 1991, she moved to work on health and safety, and then from 1993 she was a regional secretary in Jyväskylä. In 2000, the Business Union merged into the new Service Union United (PAM), continuing as a regional secretary. In 2002, she became the union's president.