Delta (1946–1960) was a champion Australian thoroughbred racehorse who raced from a two-year-old to a six-year-old from distances of 6 furlongs to 2 miles.

[2] Champion jockey Neville Sellwood won 22 races including the 1949 VRC Derby, 1949 Cox Plate and the 1951 Melbourne Cup.

Purchased by owner Adolph Basser for £2,665 at the 1948 Sydney yearling sales he was trained by former jockey and successful trainer Maurice McCarten.

[3] Delta by Midstream (GB) was bred by studmaster Percy Miller at Kia-Ora stud Scone, New South Wales.

Dam Gazza also produced classic winners Deep River 1952 AJC Derby and Midway 1951 VRC St Leger.