Koh Chai Hong (born 1959) is a Singaporean pilot who is known for being the first woman to qualify as a pilot in the Republic of Singapore Air Force (RSAF) and one of the first two women to be promoted to the rank of Lieutenant-Colonel in the Singaporean Army.

[1] In 1978, when the RSAF first allowed women to join, Koh began training and obtained her pilot wings in 1979 after a year and a half, becoming the first woman to qualify.

[2] In 1987, Koh won a medal as a national water skier at the Southeast Asia Games.

[1] In 1998, Koh became the first woman to be promoted to the rank of Commanding Officer of Standards Squadron in Flying Training School.

[2] Koh became a simulator instructor for Lockheed Martin training RSAF Basic Wings Phase pilot trainees in Perth, Australia.