Novotný (feminine Novotná) is a Czech and Slovak surname. Notable persons with that surname include:
Antonín Novotný, Czechoslovakian president
Antonín Novotný (chess composer) (1827–1871), Czech chess composer
Boris Novotný (born 1976), Slovak judoka
David Novotný (born 1969), Czech actor
David Jan Novotný (born 1947), Czech writer
Eduard Novotný (born 1921), Czech bobsledder
Fritz Novotny, Austrian art historian
Franz Nikolaus Novotny (1743–1773), organist and composer at the Esterházy court
Geeta Novotny, American mezzo-soprano and writer
Jan Novotný (footballer) (born 1982)
Jana Novotná, Czech tennis player
Jarmila Novotná, Czech actress
Jeanne Novotny, US professor of nursing
Jiří Novotný (footballer)
Jiří Novotný (ice hockey)
Manfred Novotný, Czech luger
Michael Novotny, fictional character in the TV series Queer as Folk
Milos Novotny, chemist
Monica Novotny, American journalist
Nancy Novotny, American voice actress
Pavel Novotný (actor) (born 1977), gay pornographic actor
Pavel Novotný (footballer) (born 1973)
Radek Novotný, Czech orienteering competitor
Ray Novotny (1907–1995), US football player
René Novotný, Czech figure skater
Roman Novotný (born 1986), Czech long jumper
Růžena Novotná, Czech canoer
Tuva Novotny, Swedish actress/singer
