Mohamed Osman Irro (Somali: Maxamed Ismaan Cirro, Arabic: محمد عثمان إرو) (died 1978), also known as Mohamed Sheikh Osman Irro (Maxamad Shiikh Cismaan Cirro) or Mohamoud Sheikh Osman Irro (Maxamuud Sheekh Cismaan Cirro), was a prominent Somali military figure.