It's Okay to Not Be Okay (Korean: 사이코지만 괜찮아) is a 2020 South Korean romantic comedy drama television series written by Jo Yong, directed by Park Shin-woo, and starring Kim Soo-hyun, Seo Yea-ji, and Oh Jung-se. The series follows Ko Moon-young, an antisocial children's book writer who moves to her hometown to pursue her love interest Moon Gang-tae, a psych ward caretaker, who has dedicated his life to taking care of his autistic older brother Moon Sang-tae. It aired on tvN from June 20 to August 9, 2020, every Saturday and Sunday at 21:00 (KST). It is also available for streaming on Netflix in selected regions.

According to Nielsen Korea, the series recorded an average nationwide TV viewership rating of 5.4%. It was the most popular show of 2020 in the romance genre on Netflix in South Korea. Critical response were primarily positive; some commentators criticized the writing in the latter half of the series but praised the acting by the cast.

The New York Times named It's Okay to Not Be Okay one of "The Best International Shows of 2020". At the 57th Baeksang Arts Awards, it received eight nominations with two wins (Best Supporting Actor – Television and Best Technical Achievement – Television for costume design). It received a nomination at the 49th International Emmy Awards in the Best TV Movie or Miniseries categories.