Happy Go Lucky can refer to:

• Happy-Go-Lucky, 2008 film
• "Happy Go Lucky" (Veronica Mars episode)
• Happy Go Lucky (1943 film), a 1943 musical film starring Betty Hutton
• Happy Go Lucky (2003 film), a 2003 Hong Kong film starring Gillian Chung
• Happy Go Lucky (TV series), a British show for children featuring Jack Haig

Happy-Go-Lucky is a 2008 British comedy-drama film written and directed by Mike Leigh. The screenplay focuses on a cheerful and optimistic primary-school teacher and her relationships with those around her. The film was well received by critics and resulted in a number of awards for Leigh, lead actress Sally Hawkins and supporting actor Eddie Marsan.

Happy-Go-Lucky (zu deutsch: unbeschwert, sorglos, leichtlebig) ist eine Komödie von Mike Leigh aus dem Jahr 2008, die erstmals während der Berlinale am 12. Februar 2008 auf der Leinwand zu sehen war. Der Film war ab dem 3. Juli 2008 in deutschen Kinos zu sehen.

Be Happy (Happy-Go-Lucky) est un film britannique réalisé par Mike Leigh, sorti en .