Kuala Trengganu Selatan was a federal constituency in Terengganu, Malaysia, that was represented in the Dewan Rakyat from 1959 to 1974.

The federal constituency was created in the 1974 redistribution and was mandated to return a single member to the Dewan Rakyat under the first-past-the-post voting system.

It was abolished in 1974 when it was redistributed.

constituency