Steen is an alternative spelling of the Swedish and Danish word sten meaning 'stone'; it is also a shortened form of Ollisteen. It is the given name of the following people

• Steen Bille (d. 1606), Danish diplomat
• Steen Andersen Bille, a family of Danish naval officers
• Steen Andersen Bille (1751–1833), Danish naval officer
• Steen Andersen Bille (1797–1883), Danish vice-admiral
• Steen Steensen Blicher (1782–1848), Danish author
• Steen Blicher (footballer) (1923–2018), Danish association football player
• Steen Steensen Blicher (footballer) (1899–1965), Danish association football player
• Steen Due (1898–1974), Danish field hockey player
• Steen Fenrich (1981–1999), African-American murder victim
• Steen Fladberg (born 1956), Danish badminton player
• Steen Lund Hansen (born 1943), Danish sprint canoeist
• Steen Herschend (1888–1976), Danish sailor
• Steen Hildebrandt (born in 1944), Danish academic and author
• Steen Krarup Jensen (born 1950), Danish sculptor, poet, songwriter and social critic
• Steen Rømer Larsen (born 1949), Danish association football player
• Steen Mastrup (born 1958), Danish motorcycle speedway rider
• Steen Miles (1946-2017), American politician
• Steen Nedergaard (born 1970), Danish association football player
• Steen Ottesen Brahe (1547–1620), Danish politician
• Steen Pade (born 1956), Danish composer
• Steen Raskopoulos (born 1987), Australian comedian, actor and improviser
• Steen Rasmussen (physicist) (born 1955), Danish physicist
• Steen Eiler Rasmussen (1898–1990), Danish architect and urban planner
• Steen Secher (born 1959), Danish sailor
• Steen Skovgaard (born 1950), Danish badminton player
• Steen Spore (1938–2022), Danish official
• Steen Thychosen (born 1958), Danish association football player
• Steen Tinning (born 1962), Danish golfer
• Steen Willadsen (born 1943), Danish scientist