Ross Geldenhuys (born 19 April 1983) is a South African rugby union footballer.
His regular playing position is as a tighthead prop and he plays for Bay of Plenty in the Mitre 10 Cup in New Zealand.
Geldenhuys holds the record of playing for the most number of provinces in South Africa; he played for eight of the fourteen provinces — Border Bulldogs, Pumas, Golden Lions, Boland Cavaliers, Free State Cheetahs, Griffons, Eastern Province Kings and Sharks.
In addition, he spent time at the Blue Bulls and Western Province, but failed to appear in a first class match for them.
In 2013, he represented the Eastern Province Kings in the Currie Cup.
He was initially named in the Southern Kings squad for the 2013 Super Rugby season, but was later released to the 2013 Vodacom Cup squad.He spent time in New Zealand, where he played ITM Cup rugby for Tasman and signed for the Highlanders for the 2015 Super Rugby season.