Stephan is used as a surname, and may refer to:

• Alexander Stephan (1946–2009), German American Germanist
• Alexander Stephan (footballer) (born 1986), German footballer
• Beat Stephan, Swiss curler
• Bernhard Stephan (born 1943), German director
• Christoph Stephan (born 1986), German biathlete
• Cora Stephan (born 1951), German writer
• Daniel Stephan (born 1973), German handball player
• Dietrich Stephan (born 1969), American geneticist
• Doug Stephan (born 1946), American radio talk show personality
• Édouard Stephan (1837–1923), French astronomer
• Elie Stephan (born 1986), Lebanese basketball player
• Friedrich Stephan (21st century), American scientist
• Friedrich Stephan (soldier) (1892-1945), Wehrmacht Generalleutnant in World War II
• Guillaume Stephan (born 1982), French footballer
• Guy Stéphan (born 1956), France national football team assistant coach
• Hans-Georg Stephan (born 1950), German university professor
• Kenneth C. Stephan (21st century), Nebraska Supreme Court justice
• Len Stephan (1935–2012), Australian politician
• Martin Stephan (1777–1846), German American Lutheran pastor
• Robert Stephan (1933–2023), American politician
• Rudi Stephan (1887–1915), German composer
• Ruth Stephan (1925–1975), German actress
• Tobias Stephan (born 1984), Swiss ice hockey player
• Tom Stephan (21st century), American electronic musician
• Trevor Stephan (born 1995), American baseball player
• Wilfried Stephan (born 1955), German canoeist