Michael John Donald Collins is an Australian baseball manager, coach, and former player in the Australian Baseball League (ABL). He is the catching coach for the Houston Astros of Major League Baseball (MLB). He has also played and coached for the Australian national team in World Baseball Classic (WBC) tournaments.

The Australian national baseball team represents Australia in international baseball tournaments and competitions. It is ranked as the top team in Oceania, and is the Oceanian Champion, having been awarded the title in 2007 when New Zealand withdrew from the Oceania Baseball Championship. After achieving a last (16th) place in the 2013 World Baseball Classic, its rank dropped to 13, which is the lowest rank Australia ever received. The highest rank it has achieved is 6th, and its current rank is 10th.