Alexander Odeareduo Ogomudia CFR DSS fwc psc(+) MSc FNSE (born 29 December 1949) is a retired Nigerian army general who served as Chief of Defence Staff of Nigeria from 2003 to 2006 and Chief of Army Staff from 2001 to 2003.

The Nigerian Army officially described the four star Service Chief as "General" Alexander Odeareduo Ogomudia who was born on 29 December 1949, at Uzere in Isoko South Local Government Area in Delta State of Nigeria.

He joined the Nigerian Defence Academy (NDA) as a cadet on 13 October 1969.

At the successful completion of his cadet training, he was commissioned on 11 March 1972 into the Nigerian Army Signal in the rank of Second Lieutenant with effect from 13 October 1969.

Second Lieutenant AO Ogomudia's first point of duty after commission was General Staff Officer Grade 3 Operation/Training where he served as Staff Officer from April 1972 to December 1972.