Mesdag

Mesdag may refer to:
 * Taco Mesdag (1829–1902), Dutch banker and painter


 * Hendrik Willem Mesdag (1831–1915), Dutch marine painter
 * Museum Mesdag, in The Hague, Netherlands
 * Panorama Mesdag, a 1881 panorama
 * Sina Mesdag-van Houten (1834–1909), wife of Hendrik Willem Mesdag
 * Rob van Mesdag (1930–2018), Dutch Olympic rower
 * Jan Mesdag (1953–1988), Dutch singer