Ellen Elizabeth King (16 January 1909 – 3 February 1994)[1] was a Scottish competitive swimmer who represented Great Britain twice in the Olympics, and Scotland at the inaugural British Empire Games.

King was a versatile swimmer, and competed in various backstroke, breaststroke, freestyle swimming events.

[1] As a 15-year-old at the 1924 Summer Olympics in Paris, although ill, she competed in the semi-finals of the 100-metre backstroke and finished with the seventh best time overall.

In individual competition, she won her second silver in the 100-metre backstroke, finishing second behind Dutch swimmer Marie Braun and ahead of British teammate Joyce Cooper.

As a member of the Scottish relay team with Jean McDowell, Cissie Stewart, and Jessie McVey, she won her second bronze medal in the 4×100-yard freestyle competition.