Robert Henry Maxwell (Bobby) Gibbes DSO, DFC and Bar, OAM (6 May 1916 – 11 April 2007) was a leading Australian fighter ace of World War II, and the longest-serving wartime commanding officer of No. 3 Squadron RAAF. He was officially credited with 10¼ aerial victories, although his score is often reported as 12, including two shared. Gibbes was also credited with five aircraft probably destroyed, and a further 16 damaged. He commanded No. 3 Squadron in North Africa from February 1942 to April 1943, apart from a brief period when he was injured.