Noreen is an Irish given name, anglicised from Nóirín. Notable people with the given name include:
- Noreen Ackland (1921–2013), British film editor
- Noreen Sher Akbar, Pakistani applied mathematician
- Noreen Branson (1910–2003), British communist historian and activist
- Noreen Coen (born 1993), Irish camogie player
- Noreen Connell (born 1947), American feminist organizer, writer and editor
- Noreen Corcoran (1943–2016), American actress, dancer and singer
- Noreen Culhane (born 1950), American businesswoman
- Noreen Evans (born 1955), American lawyer and politician
- Noreen Goldman, American social scientist
- Noreen Green, American conductor and educator
- Noreen Hay (born 1951), Australian politician
- Noreen A. Hynes, American infectious disease physician
- Noreen Kershaw (born 1950), British actress and director
- Noreen Kokoruda (1947–2022), American politician
- Noreen Masud, British writer and literary scholar
- Noreen Morioka (born 1965), American graphic designer
- Noreen Motamed (born 1967), Iranian-American artist and painter
- Noreen Murray (1935–2011), English molecular geneticist
- Noreen Nash (1924–2023), American actress
- Noreen Oliver (born 1960), British businesswoman
- Noreen Riols (born 1926), British novelist
- Noreen Stevens (born 1962), Canadian cartoonist
- Noreen Young (born 1952), Canadian producer and puppeteer