Lisa Anne Flood (born August 1, 1971) is a Canadian former competitive swimmer and breaststroke specialist.

At the 1995 FINA Short Course World Championships in Rio de Janeiro, Brazil, she won a silver medal as a member of the second-place Canadian team in the women's 4×100-metre medley relay, alongside Julie Howard, Jessica Amey and Shannon Shakespeare.

She won three medals at the 1995 Pan American Games in Mar del Plata, Argentina, including two golds in her signature 100- and 200-metre breaststroke events, and a silver in the 4×100-metre medley relay with Joanne Malar, Shannon Shakespeare and Marianne Limpert.

During her college swimming career, she received eight All-American honors, was recognized as Big East Outstanding Female Swimmer in 1991 and 1992, and won 10 conference championships.

Flood was honored by the NCAA with its Top 8 Award for athletic and academic accomplishments in 1995, and graduated from Villanova in 1995.