Helena Antonette "Lenie" Gerrietsen (born 28 March 1930) is a retired Dutch gymnast who competed at the 1948 Summer Olympics in London and the 1952 Summer Olympics in Helsinki.
In 1948, Gerrietsen placed fifth in the team all-around competition.
In 1952, she competed in all artistic gymnastics events with her best result being 6th place in the team portable apparatus.