Deacon Tehanakore Manu (born 18 February 1979 in New Plymouth, New Zealand) is a New Zealand-born retired Fijian rugby union footballer.

[1] He was also the head coach of Hong Kong Cricket Club in the HKRFU Premiership, and is now a Physical Education teacher with ACS (International) in Singapore.

He made his competitive debut for the Scarlets on 8 September 2006, coming on as a 29th-minute substitute for John Davies in a 31–17 victory over the Glasgow Warriors.

In the lead-up to the 2007 Rugby World Cup, Manu expressed his availability for selection to the Fijian selectors.

Although he had played all of his representative rugby for New Zealand teams up to that point, Manu was eligible for Fiji through his Fijian mother.