Emma Johnson (born 24 February 1980 in Sydney) is an Australian freestyle and medley swimmer of the 1990s, who won a bronze medal in the 4x200 m freestyle relay at the 1996 Summer Olympics in Atlanta, Georgia at the age of just 16 (whilst attending the Presbyterian Ladies' College, Sydney as a boarder).

She combined with Susie O'NeillJulia Greville and Nicole Stevenson to register a bronze medal in the 4x200m freestyle relay, trailing the United States and Germany home. In three other individual events, the 400 m freestyle and individual medley, and the 200 m individual medley, Johnson was eliminated in the heats, except the 400 m individual medley, where she finished fifth in the final.

Community content is available under CC-BY-SA unless otherwise noted.