Musa Amer Obaid (Arabic: موسى عامر عبيد; born April 18, 1985, in Kenya) is a middle distance runner mainly competing in steeplechase. He was born Moses Kipkirui, but represents Qatar after changing nationality from his birth country Kenya. Musa Amer finished fourth in the 3000 metres steeplechase at the 2004 Summer Olympics in a personal best time of 8:07.18 minutes, having won the silver medal at the World Junior Championships a month earlier. In 2005 he finished ninth at the World Championships and seventh at the World Athletics Final.