Thomas Desmond Coughlan (30 April 1934 – 9 November 2017) was a New Zealand rugby union player.

A flanker, Coughlan represented South Canterbury and, briefly, King Country at a provincial level.

He played just one match for the New Zealand national side, the All Blacks: a test against the touring Australian team in 1958.

[3] Coughlan's wife, Jane, was a member of the Timaru District Council from 1992 to 2013, received the Queen's Service Medal in the 2014 Queen's Birthday Honours, and died in 2024.

This biographical article relating to New Zealand rugby union, about a person born in the 1930s, is a stub.