Roger Gaillard (1923–2000) was a Haitian historian and novelist

Roger Gaillard may also refer to:

• Roger Gaillard (actor) ^[fr] (1893–1970), French actor (The Threepenny Opera, La Chienne, Le Diable boiteux)
• Roger Gaillard (journalist) (1947–2010), Swiss writer, curator of museum Maison d'Ailleurs
• Roger Gaillard (politician) ^[fr] (1904–1947), Central Committee of the French Communist Party