Gerhard Krefft (30 March 1912 - 20 March 1993) was a German ichthyologist and herpetologist.
[1] His father was a neurologist, who "was an enthusiastic collector of living reptiles and amphibians", and his mother was a concert singer.
[2] He and his wife Ingeborg were married in 1947, and they had three daughters.
[3] He was the great-nephew of the zoologist, palaeontologist, and Curator of the Australian Museum, Johann Ludwig (Louis) Gerard Krefft (1830–1881).
[3] He had more than 160 scientific publications, many of which were "milestone contributions to the taxonomy and zoogeography of oceanic fishes".