David Hewitt (born 15 January 1980) is a retired Irish rugby union player. In his career playing at full-back & out-half he has represented Skerries, Clontarf, Lansdowne, Old Belvedere R.F.C. and professionally for Leinster, Connacht and Racing Métro 92 Paris.
Hewitt also represented Ireland at Colleges & Sevens levels, featuring in the Hong Kong Rugby World Cup Sevens in 2005.