Leonard Joseph “Len” Cariou (30-sentabr, 1939-yilda tug‘ilgan) kanadalik aktyordir. U 1979-yilda Sweeney Todd: The Demon Barber of Fleet Street asaridagi bosh roli uchun Toni mukofotini qo‘lga kiritganidan so‘ng mashhurlikka erishdi. Undan oldin, Cariou Applause (1970) va A Little Night Music (1973) musiqiy asarlaridagi ijrolari uchun nomzodliklarni qo‘lga kiritgan. Cariou The Four Seasons (1981), Thirteen Days (2000), About Schmidt (2002), Flags of Our Fathers (2006), Prisoners (2013) va Spotlight (2015) kabi filmlarda yordamchi rollarda o‘ynagan. Televiziyada esa, u Murder, She Wrote (1985–1992), Brotherhood (2005-2006) va Damages (2010) seriallaridagi takroriy rollari va Blue Bloods (2010–2024) serialidagi bosh roli bilan tanilgan.
