I regret nothing is a catchphrase that may refer to:
"Non, je ne regrette rien" ("No, I regret nothing"), French song by Charles Dumont Jag ångrar ingenting, album from Swedish pop singer Lena Philipsson Jag ångrar ingenting (song), song from the album "Ich bereue nichts" ("I Regret Nothing"), track from album Aggro Berlin by German rapper Sido "She's Got Haggar Party Slacks / I Regret Nothing", single from band Atomic 7 I Regret Nothing, memoir of American author Jen Lancaster "Je Regret Nothing", a 2013 episode of Miranda Catchphrase used by the protagonist of the Postal video game franchise, when he commits suicide
See also "Nothing to Regret", song by New Zealand singer Robinson