Reply 1988 (Korean: 응답하라 1988) is a South Korean television series starring Lee Hye-ri, Ryu Jun-yeol, Go Kyung-pyo, Park Bo-gum, and Lee Dong-hwi. Beginning in the year 1988, it revolves around five friends and their families living in the same neighborhood of Ssangmun-dong, Dobong District, Northern Seoul. It aired every Friday and Saturday from November 6, 2015, to January 16, 2016, on tvN for 20 episodes.

Reply 1988 is the third installment of tvN's Reply series. It received both critical and audience acclaim with its finale episode recording an 18.8% nationwide audience share, making it the sixth highest rated drama in Korean cable television history and highest rated television drama at the time of airing. The series is an example of 1980s nostalgia and initiated the newtro 1980s retro boom in South Korea.