Leskinen is a Finnish surname. Notable people with the surname include:
August Leskinen (1876–1952), politician Veli Leskinen (1907–1989), footballer Viljo Leskinen (1908–1945), sports shooter Kullervo Leskinen (1908–1989), sports shooter Margit Leskinen (1915–2002), swimmer Väinö Leskinen (1917–1972), politician and swimmer Juice Leskinen (1950–2006), singer, songwriter and poet Pekka Leskinen (born 1954), figure skater Petri Leskinen (born 1966), sailor Janne Leskinen (born 1971), alpine skier Kristi Leskinen (born 1981), freestyle skier Ville-Valtteri Leskinen (born 1994), ice hockey player Ville Leskinen (born 1995), ice hockey winger Otto Leskinen (born 1997), ice hockey player Dana Leskinen (born 2001), footballer
Fictional characters Alexis Leskinen, a Finnish-American neuroscientist in the Steins;Gate universe.