Ismail bin Omar (; born 29 April 1941), is a Malaysian retired military officer who served as the 13th chief of defence forces from February 1995 to December 1998. Prior to his appointment, he previously served as the 14th chief of Malaysian Army from February 1994 to February 1995.
Ismail was born on 29 April 1941 at Gemas, Negeri Sembilan and he raised at Segamat, Johor. He get his second education at the Federation Military College, Port Dickson before he selected to undergo overseas officer cadet course at the Royal Military College, Sandhurst in 1960.
After joined to military, Ismail attended various courses, including course at Canadian Army Command and Staff College in 1972, and then at National Defence College in New Delhi in 1988.
Ismail was commissioned to junior lieutenant in December 1961 and posted as platoon commander in 2nd Battalion, Royal Malay Regiment. Between 1961 and 1986, he has held various positions, including company commander at 2nd Battalion, Royal Malay Regiment in 1964 and then at 5th Battalion, Royal Malay Regiment in 1969, commanding officer of 12th Battalion, Royal Malay Regiment in December 1976 and defence attaché at High Commission of Malaysia in Canberra in 1984.
In 1986, Ismail get rank promotion to brigadier general and took charge as commander of 6th Infantry Brigade and then transferred to assistant chief of staff of planning and development in 1988. In late January 1990, he get rank promotion to major general and took charge as commander of 3rd Infantry Division. In April 1992, he appointed as chief of staff of Malaysian Armed Forces Headquarters and he get rank promotion to lieutenant general.
On 1 February 1994, Ismail appointed as 14th chief of Army and get promoted to general following appointment his predecessor Borhan Ahmad as the 12th chief of defence forces. When Borhan retired on 2 February 1995, Ismail take over the post. When his retirement time arrived in April 1996, his term was extended until 31 December 1998 and the position was take over by Mohd Zahidi Zainuddin on 1 January 1999.
After retirement from military, Ismail was held various positions at several corporates including chairman of Affin Bank from 1999 to 2017.
Ismail married with Azizah binti Abdul Aziz and blessed with two sons and two daughters. Azizah and their son, Ahmad Ijaz were died in November 2002 caused by a landslide incident that occurred at Taman Hillview, which resulted in the collapse of their bungalow and killed eight people including Azizah and Ahmad Ijaz.