Grant Cremer (born 9 June 1978 in Sydney[1]) is a retired Australian middle-distance runner who specialised in the 800 metres.[2] He competed at the 2000 Summer Olympics, which took place in his native Sydney, reaching the semifinals.
He has personal bests of 1:45.21 in the 800 metres (1999) and 2:16.61 in the 1000 metres (2000). The latter was the previous standing national record before Peter Bol set a new national record at the Tokyo Olympics.