Max Octavius Grosskreutz (27 April 1906 in Proserpine, Queensland[1] – 20 September 1994) was an Australian speedway rider.

He won the Australian Championship at Davies Park Speedway in Brisbane in 1929 and again in 1936 at the famous Sydney Showground.

He stayed with the aces until the end of the 1936 season when he retired to manage the Norwich Stars.

[1] During this time he made forty-one Test Match appearances for Australia.

[7] Grosskreutz is listed as number 17 of 50 in the 1930s Player's cigarette card collection.