Robert "Bob" La Castra (born in England) is an Australian local politician who was a popular children's television show presenter in the 1980s, best known for hosting the children's show Wombat and the game show Big Square Eye. He went on to write for ABC Television's Bananas in Pyjamas with his production company Little Production House.
He also played Eddie Buckingham in the Network Ten soap opera Neighbours in 1990.
La Castra is currently a City of Gold Coast councillor, first elected in 1997.