Wessel (; ) is a diminutive of the given name Werner of Frisian, German, and Dutch origin. People with this name include:

Given name Wessel van Diepen (born 1966), Dutch radio host Wessel Freytag von Loringhoven (1899–1944), German military commander and member of the German Resistance Wessel Gansfort (1419–1489), Dutch theologian and early humanist , Dutch poet, winner of the 1996 Ferdinand Bordewijk Prize Wessel Myburgh (born 1990), Namibian cricketer Marthinus Wessel Pretorius (1819–1901), first president of the South African Republic Wessel Roux (born 1975), South African rugby player Wessel Jacobus Wessels (1865–1945), Boer general Peter Wessel Zapffe (1899 – 1990), Norwegian metaphysician, author, lawyer and mountaineer

Surname Andreas Wessel (1858–1940), Norwegian physician and politician Bernhard Wessel (1936–2022), German football player Beth Wessel-Kroeschell, American politician from Iowa Birgit Wessel (1911–2000), Norwegian textile artist Caspar Wessel (1745–1818), Dano-Norwegian mathematician, first to describe the complex numbers Christer Wessel (born 1943), Swedish curler David Wessel (born 1954), American journalist Dick Wessel (1913–1965), American film actor Ellisif Wessel (1866–1949), Norwegian writer, trade unionist and politician Franz Wessel (1903–1958), German judge Friedrich Wessel (born 1945), German fencer Hedvig Wessel (born 1995), Norwegian freestyle skier Helene Wessel (1898–1969), German politician Hendricus Wessel (1887–1977), Dutch long-distance runner Henry Wessel, Jr. (1942–2018), American photographer Horst Wessel (1907–1930), Nazi brownshirt, glorified as a martyr in the Horst-Wessel-Lied Jessie Wessel (1894–1948), Swedish actress Johan Herman Wessel (1742–1785), Dano-Norwegian writer, brother of Caspar Kai Wessel (countertenor) (born 1964), German countertenor Kathrin Weßel (born 1967), German long-distance runner Mark Wessel (1894–1973), American pianist and composer Mark Wessel, American educator Mike Wessel (born 1977), American mixed martial arts fighter Morris A. Wessel (1917–2016), American pediatrician Ole Christopher Wessel (1744–1794), Norwegian jurist and land surveyor Pål Wessel, Norwegian geophysicist Paul Wessel (1904–1967), East German politician Peter Wessel (1690–1720), also known as Tordenskjold, Dano-Norwegian naval war hero Ulrich Wessel (1946–1975), German member of the Red Army Faction Walter Wessel (1892–1943), German army general Wilhelm Wessel, 17th-century German book publisher

See also Wessels, a (surname)