Jocelyn "Joyce" Mavis Lester, OAM[1] (born 22 March 1958) is an Australian softball player and coach.

A catcher and outfielder, she joined the Australia women's national softball team in 1977, and captained it from 1985 until its bronze medal win at the 1996 Atlanta Olympics, when she retired from international competition.

[2][6] Lester joined the under-16's Queensland softball team as a replacement catcher, after her predecessor had broken her thumb; she had never played in this position before.

As a catcher and outfielder, she represented her country at 235 international games and five ISF Women's World Championships.

She retired from international competition after the national team's bronze medal win at the 1996 Atlanta Olympics.

[8] In 1996, she signed up with Sagawa, a Japanese softball club near Kyoto, the first time she had played the game professionally.