Pauline Margrit Gardiner (born 11 October 1945) is a retired artistic gymnast from New Zealand who competed at the 1964 Olympics.

She owned GyMarin Gymnastics Center and Gymnos in Marin County near San Francisco in the 1980s.

She moved to England and continued to coach when her children were accepted to Oxford University in the 1990s.

Gardiner is a painter with work on display with the Art of the Olympians organization and program.

This biographical article related to New Zealand artistic gymnastics is a stub.