David Fa'alogo (born 9 September 1980) is a New Zealand 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. He represented both New Zealand and Samoa at international level.
On 8 August 2015, Fa'alogo announced his immediate retirement from rugby league due to a neck injury. He finished having played 198 games in the NRL.