DeMars

DeMars (and variants) is a surname. Notable people with the surname include:


 * AnnMaria De Mars (born 1958), American technology executive, author and Judoka
 * Billy DeMars (1925–2020), American baseball shortstop and coach
 * Bruce DeMars, United States Navy four star admiral
 * Hélène-Louise Demars (c. 1736–1778), French composer
 * Jean-Odéo Demars (1695–1756), French organist and harpsichordist
 * Lina van de Mars (born 1979), German TV moderator
 * Nicole Demars (born 1970), Canadian road cyclist
 * Vernon DeMars (1908–2005), American architect and professor