Ben Donaldson (born 4 April 1999) is an Australian professional rugby union player who plays as a fly-half for Super Rugby club the Western Force and the Australia national team.

[1][2] Donaldson made his Australia debut on 13 November 2022, coming on for Noah Lolesio in the 75th minute of a 28–27 loss to Italy in the Autumn Nations Cup.

[3] He made his first start at fly-half two weeks later in the game against Wales, and kicked two penalties and a conversion to help Australia to a 39–34 win.

[4] He was a member of the Australian squad for the 2023 Rugby World Cup and played in 4 games scoring 45 points.