USS PT-492 was a motor torpedo boat of the United States Navy, a PT boat known by the hull number 492.
On the night of 24–25 October 1944 she was on patrol in Surigao Strait. Thirty-nine motor torpedo boats were out on that patrol, and PT-492 was one of them.
She was in the Battle of Surigao Strait on 25 October 1944 with that motor torpedo boat patrol. Her place in the battle was the patrol itself, in the strait through the night the action was fought.
The night of 24–25 October 1944 is the service that stands with her name. She was one of the motor torpedo boats on patrol in Surigao Strait, and the battle of the 25th counts her among the boats on that patrol.