Frank Murphy (born 2 December 1981) is a former professional rugby union player from Ireland who works as a referee for the Irish Rugby Football Union.
He primarily played as a scrum-half.
Originally from Cork, Murphy played for his native province of Munster before moving to the English side Leicester Tigers, with whom he won a Premiership title, and then finished his career with Connacht, another Irish province, making over 100 appearances for the side.
Murphy began refereeing in the All-Ireland League in 2015, progressing to referee in the British and Irish Cup later that year.
He began refereeing at international level in 2016, and has taken charge of games in the European Nations Cup.
In November 2016, Murphy took charge of his first Pro12 game, and has since gone on to referee in the Challenge Cup at European level.