Allamand is a surname. It may refer to:
Andrés Allamand (Zavala) (born 1956), Chilean politician Frédéric-Louis Allamand (1736–after 1803), Swiss botanist Ignacia Allamand (born 1981), Chilean actress Jean-Nicolas-Sébastien Allamand (c. 1713-1716–1787), Swiss-Dutch natural philosopher Jeanne-Charlotte Allamand (1760 – 1839), Swiss-born Canadian pioneer, educator and artist Maité Allamand (1911–1996), Chilean writer and diplomat Olivier Allamand (born 1969), French Olympian freestyle skier