Schlessinger

{{Infobox surname

|name = Schlessinger

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|pronunciation =

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|variant = Schleßinger, Šlesingr, Schlesinger, Schlehsinger (Shlezinger, Shleyzinger, {{langx|yi|שלעזינגער}}, {{langx|he|שלזינגר}}), Slesinger, Slezak, Ślęzak

; Similar surnames:

• Schleußinger (Schleussinger, Schleusinger, from Schleusingen)

|footnotes = [http://www.avotaynu.com/books/DJSGNames.htm]

}}

Schlessinger is a German surname meaning "from Silesia" (German: Schlesien). The Czechized form of the surname is Šlesingr ({{IPA|cs|ˈʃlɛsɪŋɡr̩}}; feminine: Šlesingrová). Notable people with the surname include:

• Arthur M. Schlesinger Sr. (1888–1965), American historian and professor
• David Schlessinger (born 1936), Canadian-American biochemist, microbiologist and geneticist
• Joseph Schlessinger (born 1945), Israeli-American biochemist
• Laura Schlessinger (born 1947), American radio host and author
• Michael Schlessinger, American mathematician
• Michal Šlesingr (born 1983), Czech biathlete