Lopeti Timani (born 28 September 1990) is a Tongan-born, Australian professional rugby union footballer. His usual position is Number Eight or Flanker. After two seasons with the NSW Waratahs in Super Rugby, he signed on to play for the Melbourne Rebels in 2014.
Lopeti Timani was born in the Tongan village of Navutoka. His older brothers Sione Timani and Sitaleki Timani are both international rugby players.
He attended Tonga College 'Atele on Tonga. In 2008 he was selected for Tonga's under-20s rugby world championship team at the age of 17, but could not play because of the minimum age limit of 18 imposed by the International Rugby Board.