Novotný (feminine Novotná) is a Czech and Slovak surname. Notable persons with that surname include:

• Anna Dasha Novotny (born 2000), American country singer-songwriter
• Antonín Novotný (1904–1975), Czechoslovak president 1957–1968
• Antonín Novotný (actor) (1913–2005), Czech film actor
• Antonín Novotný (chess composer) (1827–1871), Czech chess composer
• Antonín Novotný (water polo), Czech Olympic water polo player in 1920
• Boris Novotný (born 1976), Slovak judoka
• David Novotný (born 1969), Czech actor
• David Jan Novotný (born 1947), Czech writer
• Eduard Novotný (1921–?), Czech bobsledder
• Franz Novotny (born 1949), Austrian film producer, director, screenwriter
• Franz Nikolaus Novotny (1743–1773), Austrian organist and composer at the Esterházy court
• Fritz Novotny (1903–1983), Austrian art historian
• Geeta Novotny, American mezzo-soprano and writer
• Irena Novotná-Česneková (born 1972), Czech biathlete
• Jakub Novotný (born 1979), Czech volleyball player
• Jan Novotný (1929–2005), Czech glass artist and painter
• Jan Novotný (footballer) (born 1982), Czech football midfielder
• Jana Novotná (1968–2017), Czech tennis player
• Jarmila Novotná (1907–1994), Czech actress
• Jeanne Novotny, American professor of nursing
• Jiří Novotný (footballer) (born 1970), Czech football defender
• Jiří Novotný (futsal player) (born 1988), Czech futsal defender
• Jiří Novotný (ice hockey) (born 1983), Czech ice hockey centre
• John Novotny (1918–2006), American basketball player
• Josef Novotný (born 1956), Czech volleyball player
• Kamila Novotná (born 2005), Slovak sport shooter
• Kateřina Novotná (born 1984), Czech short- and long-track speed-skater
• Manfred Novotný (fl. 1960s), Czech luger
• Mariella Novotny (1941–1983), English socialite and prostitute involved in the Profumo affair
• Mark Novotny, American physicist
• Michal Novotný (born 1981), Czech snowboarder
• Michal Novotný (curator) (born 1985), Czech art curator, critic, and writer
• Mike Novotny (born 1996), American soccer goalkeeper
• Milos Novotny (born 1942), American chemist
• Monica Novotny, American television journalist
• Nancy Novotny, American voice actress
• Nataša Novotná (born 1977), Czech dancer and choreographer
• Ondřej Novotný (born 1998), Czech football forward
• Paul Novotny (born 1966), American politician in Minnesota
• Pavel Novotný (born 1973), Czech football defensive midfielder
• Petra Novotná (orienteer) (born 1966), Czech orienteering competitor
• Petra Novotná (volleyball) (born 1981), Czech volleyball player
• Radek Novotný (born 1984), Czech orienteering competitor
• Ray Novotny (1907–1995), US football player
• Reid Novotny (born 1978), American politician in Maryland
• René Novotný (born 1963), Czech figure skater
• Roman Novotný (born 1986), Czech long jumper
• Růžena Novotná (born 1941), Czech canoer
• Sabrina Novotná (born 2000), Czech handball player
• Štěpán Novotný (born 1990), Czech ice hockey winger
• Tuva Novotny (born 1979), Swedish actress and singer
• Viliam Novotný (born 1973), Slovak neurosurgeon and politician
• Vlasta Novotna (born 1890s), Czech dancer

• Debbie Novotny, in the American TV series Queer as Folk
• Hunter Novotny-Bruckner, in the American TV series Queer as Folk
• Michael Novotny, in the American TV series Queer as Folk

• All pages with titles containing Novotny
• All pages with titles containing Novotna
• Nowotny as a surname