Kathryn Joy Foster (born 7 May 1960) is an Australian former basketball player.

[2] Foster played for the national team between 1981 and 1988, competing at the 1984 Olympic Games in Los Angeles.

[3] In the domestic competition, Foster was the Women's National Basketball League (WNBL) Most Valuable Player on three occasions; 1985, 1986 and 1989.

[5] Playing for the North Adelaide Rockets and later the Hobart Islanders, Foster was the WNBL first three-time winner of the award.

[8] Foster also won the WNBL Top Shooter Award on two occasions, 1987 and 1989 with 415 and 517 points respectively.