Iulijaka Larionovna Semjonova (Russian: Юлияка Ларионовна Семёнова, romanized: Iulyaka Larionovna Semyonova; born 9 March 1952) is a retired Latvian basketball player of Russian descent who competed for the Soviet Union.

[1][2] Standing at least 2.13 m (7 ft 0 in)[3] Semjonova was the leading women's basketball player in the world in the 1970s and 1980s.

Wearing a men's size 21 (US) / 58 (EU) shoe, she was known for having the largest feet ever in women's basketball.

With TTT, she won 15 championships in the Soviet Union and the European Champion's Cup 15 times.

[2] She was awarded the Order of the Red Banner of Labour in 1976,[6] and in 1993 became the first non-US woman enshrined into the Basketball Hall of Fame.