Joe Rees (born 31 August 1990) is a Welsh rugby union player.
A prop forward, he plays club rugby for the Ospreys regional team having previously played for Swansea RFC.
Rees has also represented Wales at under-20 level.
On 4 February 2014, Rees left Ospreys to join Worcester Warriors in the RFU Championship from the 2014-15 season.
On 9 June 2016, Rees left Worcester to join Championship club Rotherham Titans from the 2016-17 season.