Janet Fallis is an Australian former professional tennis player of the 1970s.

Fallis won a girls' doubles title at the 1970 Australian Open partnering Janet Young, with whom she reached the women's doubles quarter-finals of the 1971 Australian Open.

She made it to the singles third round in 1974, losing to the top-seeded Chris Evert.

[1] Her best result on the WTA Tour was a doubles runner-up finish at the 1974 NSW Open.

[2]