David Fa'alogo (born 9 September 1980) is a former professional rugby league footballer played as a prop, second-row and lock in the 2000s and 2010s.

He played for the South Sydney Rabbitohs and Newcastle Knights in the NRL, the Huddersfield Giants in the Super League and the Ipswich Jets in the Queensland Cup.

Fa'alogo played his junior football for the Mount Albert Lions in the Bartercard Cup, and Papatoetoe Panthers before being signed by the South Sydney Rabbitohs.

[8] Fa'alogo was selected to play for the New Zealand national team at lock forward in the 2007 ANZAC Test loss against Australia.

In 2008, he was sent home from a club trip to Florida, United States, and fined $10,000 after punching a member of the public at a taxi rank.

In 2011, Fa'alogo was selected in the inaugural Exiles squad for the Rugby League International Origin Match against England at Headingley.