Dollfus is French surname, originally from the Alsace region. It may refer to:

• Adrien Dollfus (1858–1921), French carcinologist
• Audouin Dollfus (1924–2010), French astronomer and aeronaut
• Gustave Frédéric Dollfus (1850–1931), French geologist and malacologist
• Jean Dollfus (1800–1887), French industrialist
• Maurice Dollfus (1885–?), French businessman, executive for Ford Motor Company of France
• Olivier Dollfus (1931–2005), French geographer
• Robert-Philippe Dollfus (1887–1976), French zoologist and parasitologist

See also[edit]

• 2451 Dollfus, a main-belt asteroid, named for Audouin Dollfus
• Dollfus' stargazer (Uranoscopus dollfusi), a venomous salt-water fish
• Dollfus-Mieg et Compagnie, a French textile company founded by the Dollfus family
• Engelbert Dollfuss (1892–1934), Austrian politician