Fred de Belin (15 October 1920 – 11 February 2006) was an Australian professional rugby league footballer who played in the 1940s and an RAAF Flying Officer who saw active service over Germany during WWII.

An Australian international and New South Wales interstate representative forward, he played club football in Sydney for Balmain, winning the 1946 NSWRFL Premiership with them and later being appointed their captain.

[5] Fred de Belin was born in Sydney on 15 October 1920 and, with his brothers Bill and Jack, and sister Dorothy Lorraine, was raised in Balmain, living on Rowntree St.

In the 1948 post season, De Belin was selected as a member of the first Kangaroo side to tour Great Britain and France after World War II.

The eighth and last of de Belin's Test appearances came against Great Britain in 1950, when Australia reclaimed The Ashes on home soil for the first time in thirty years.

[12] During the 1951 premiership's pre-season, after playing trial matches for Balmain, de Belin newly married to wife Joan, announced that he was taking up a two-year contract worth £450 as captain-coach with the Cootamundra club in the Maher Cup competition.

Fred's son Alan de Belin was a state and national representative lightweight rower from the Haberfield Rowing Club in Sydney.

[18] In 2011 de Belin's grandson Jack started his Australian professional rugby league career with the St George Illawarra Dragons under-20s team.