Reet Valgmaa (1973–1977 Kull; born 30 March 1952) is an Estonian badminton player.^[1]

She was born in Tartu. In 1974 she graduated from Tartu State University's Institute of Physical Education.^[1]

She began her badminton career under the guidance of her father. She won 9 medals at Soviet Union badminton championships. She has also won 30 gold medals at Estonian badminton championships.^[1]

2005–2008 she was a member of the board of Estonian Badminton Federation.^[1]