Faddoul is a surname. Notable people with the surname include:

• Charla Baklayan Faddoul (born 1976), American reality television personality
• Ghassan Faddoul (born 1955), Lebanese long jumper and javelin thrower
• Simon Faddoul (born 1958), Apostolic Exarch of the Maronite Catholic Apostolic Exarchate of Western and Central Africa

• Grevillea thelemanniana
• Grevillea thyrsoides
• Grevillea treueriana
• Grevillea triloba
• Grevillea vestita
• Grevillea victoriae
• Grevillea whiteana
• Grevillea wickhamii
• Grevillea wilsonii
• Grevillea x gaudichaudii
• Grevillea × gaudichaudii
• Grevilleeae
• Greville Howard
• Greville Howard, Baron Howard of Rising
• Greville Howard (St Ives MP)
• Greville MacDonald
• Grevilleoideae
• Greville Patrick Charles Howard
• Greville's Bolete
• Grevillia
• Grevious
• Grevious bodily harm
• Grevious Bodily Harm
• G.Revolution
• G.revolution