Josh Valentine (born 22 February 1983 in Newcastle in New South Wales) is an Australian rugby union footballer.

At the end of the season, Valentine was named as vice-captain of Australia A, and toured Japan with them as well as participating in the Under 21 World Cup in England.

After a good season with the Reds in 2006, Valentine was included in the new coach, John Connolly's Wallaby squad.

He came off the bench to earn his first Australian cap against England at Sydney's Telstra Stadium.

In 2006, Valentine signed a two-year deal to join the New South Wales Waratahs, where he took up Waratahs captain Chris Whitaker's position.