Alaimatagi "Ali" Lauiti'iti (born 13 July 1979) is a former professional rugby league footballer who played as a second-row forward in the 1990s, 2000s and 2010s.
Both a Samoa and New Zealand international representative forward, Lauitiiti played for the New Zealand Warriors in the National Rugby League competition and for English clubs Wakefield Trinity Wildcats and the Leeds Rhinos in the Super League.
Whilst at the Leeds Rhinos, he was part of their 2004, 2007, 2008 and 2009 championship-winning sides.