Battle for Happiness (Korean: 행복배틀) is a 2023 South Korean television series starring Lee El, Jin Seo-yeon, Cha Ye-ryun, Park Hyo-joo, and Woo Jung-won. Based on screenwriter Joo Young-ha's own novel of the same title, it deals with a murder case among upper class mothers. It aired on ENA from May 31 to July 20, 2023, every Wednesday and Thursday at 21:00 (KST) for 16 episodes. It is also available for streaming on Amazon Prime Video in selected regions.