The following is a list of South Korean films released in 2021.

Box office The highest-grossing South Korean films released in 2021, by domestic box office gross revenue, are as follows:

+Highest-grossing films released in 2021 Rank Title Distributor Domestic gross 1 Escape from Mogadishu Lotte Cultureworks $28,955,409 2 Sinkhole Showbox $17,926,756 3 Hostage: Missing Celebrity Next Entertainment World $13,058,426 4 On the Line CJ Entertainment $11,751,610 5 Hard Hit $7,627,011 6 The Medium Showbox $7,238,857 7 Spiritwalker Megabox JoongAng PlusM $6,611,996 8 Miracle: Letters to the President Lotte Cultureworks $5,559,237 9 Nothing Serious CJ Entertainment $5,128,145 10 Perhaps Love Next Entertainment World $4,345,842

Released January–March Opening English title Native title Director(s) Cast JANUARY 1 What Happened to Mr. Cha? Kim Dong-kyu Cha In-pyo, Song Jae-ryong 6 Finding Angel Kim Sung-joon Lee Young-ah, Park Sung-il, Jeon Moo-song, Moon Sook 14 Cute Man Kim Jung-wook Shin Min-jae, Lee Jin-ri, Hwang Jung-yoon, Hong Ha-na-im Loop Dreams Go Du-hyun Moon Hyun-woong, Kwak Dong-gun, Yoon Jong-gi, Lee Dae-yeol, Lee Dong-hoon Sword of Sarasen Lim Jae-young Shin Ji-soo, Park Myung-shin, Kim Feel, Park Song-tek Little Bird Kim Tae-kyun Lee Ki-hyuk, Lee Hye-ah 21 Croissant Cho Sung-kyu Nam Bo-ra, Hyuk Today, Together 2 Lee Joon-seop, Lee Na-yeon, Yang Jae-joon, Yeo Jang-cheon Ki Joo-bong, Park Se-jun, Shin Ji-yi, Son Jung-yoon My Big Mama's Crazy Ride Baek Seung-hwan Jung Young-joo, Kim Ga-eun, Hwang Seok-jeong, Yu Seong-ju, Jo Dal-hwan, Jung Dae-gwan Bike Guys Go Young-jo Song Jae-hee, ISU, J.Yoon, Ryuseok, Kim Sun-bin 27 Three Sisters Lee Seung-won Moon So-ri, Kim Sun-young, Jang Yoon-ju 28 I Don't Fire Myself Lee Tae-gyeom Yoo Da-in, Oh Jung-se The ABCs of Our Relationship Lee In-eui Eun Hae-seong, Oh Ha-nee, Lee Seo-yoon, Jang Joon-hwi, Kim Ji-na Rule of the Game: Human Hunting Lee Soo-sung Kim Sung-soo, Jo Kyung-hoon, Seo Young FEBRUARY 3 Stress Zero Lee Dae-hee Im Chae-heon, Yoo Dong-kyun, Kim Seung-tae There Is an Alien Here Choi Eun-jong Jo Byeong-kyu, Bae Noo-ri, Lee Hyun-woong, Tae Hang-ho, Yoon Jin-young 5 Space Sweepers Jo Sung-hee Song Joong-ki, Kim Tae-ri, Jin Seon-kyu, Yoo Hae-jin 10 I Kim Hyun-tak Kim Hyang-gi, Ryu Hyun-kyung, Yeom Hye-ran New Year Blues Hong Ji-young Kim Kang-woo, Yoo In-na, Yoo Yeon-seok, Lee Yeon-hee, Lee Dong-hwi, Chen Duling, Yeom Hye-ran, Choi Soo-young 17 Mission: Possible Kim Hyung-joo Lee Sun-bin, Kim Young-kwang Double Patty Baek Seung-hwan Shin Seung-ho, Irene 18 Black Light Bae Jong-dae Yeom Hye-ran, Kim Si-eun, Park Ji-hu 24 Go Back Seo Eun-young Park Ha-sun, Ha Yoon-kyung, Kim Woo-gyum, Gam So-hyun, Jung Eun-pyo MARCH 24The Box 더 박스 Yang Jung-woong Park Chanyeol, Jo Dal-hwan 31The Book of Fish 자산어보 Lee Joon-ik Sul Kyung-gu, Byun Yo-han

April–June Opening English title Native title Director(s) Cast APRIL 9 Night in Paradise Park Hoon-jung Uhm Tae-goo, Jeon Yeo-been, Cha Seung-won 15 Seo Bok Lee Yong-ju Gong Yoo, Park Bo-gum 21 Recalled Seo Yoo-min Seo Yea-ji, Kim Kang-woo, Yeom Hye-ran 28Waiting for Rain비와 당신의 이야기Jo Jin-moKang Ha-neul, Chun Woo-hee, Kang So-raMAY 19 Aloners 혼자 사는 사람들 Hong Sung-eun Gong Seung-yeon, Jeong Da-eun, Seo Hyun-woo, Park Jeong-hak 26 Pipeline 파이프라인 Yoo Ha Seo In-guk, Lee Soo-hyuk, Eum Moon-suk 27 Introduction 인트로덕션 Hong Sang-soo Shin Seok-ho, Park Mi-so, Kim Min-hee JUNE 4 Sweet & Sour 새콤달콤 Lee Gye-byeok Krystal Jung, Chae Soo-bin, Jang Ki-yong 23 Hard Hit 발신제한 Kim Chang-ju Jo Woo-jin, Lee Jae-in, Ji Chang-wook 30 Midnight 미드나이트 Kwon Oh-seung Jin Ki-joo, Wi Ha-joon, Kim Hye-yoon

July–September Opening English title Native title Director(s) Cast JULY 2 The 8th Night 제8일의 밤 Kim Tae-hyung Lee Sung-min, Park Hae-joon, Kim Yoo-jung 14 The Medium 랑종 Banjong Pisanthanakun Narilya Gulmongkolpech, Sawanee Utoomma, Sirani Yankittikan, Yasaka Chaisorn 28 Escape from Mogadishu 모가디슈 Ryoo Seung-wan Kim Yoon-seok, Jo In-sung The Cursed: Dead Man's Prey 방법: 재차의 Kim Yong-wan Uhm Ji-won, Jung Ji-so, Jung Moon-sung, Kim In-kwon AUGUST 11Sinkhole 싱크홀 Kim Ji-hoon Cha Seung-won, Kim Sung-kyun, Lee Kwang-soo, Kim Hye-jun 18Hostage: Missing Celebrity 인질 Pil Kam-sung Hwang Jung-min 25Guimoon: The Lightless Door 귀문 Shim Duck-geun Kim Kang-woo, Kim So-hye, Lee Jung-hyungSEPTEMBER 1Snowball 최선의 삶Lee Woo-jeong Bang Min-ah, Shim Dal-gi, Han Sung-min 9Show Me the Ghost 쇼미더고스트 Kim Eun-kyoung Han Seung-yeon, Kim Hyun-mok, Hong Seung-bum 15Miracle: Letters to the President 기적Lee Jang-hoon Park Jung-min, Im Yoon-ah, Lee Sung-minOn the Line 보이스Kim Gok, Kim Sun Byun Yo-han, Kim Mu-yeol, Kim Hee-won 16Cinema Street 영화의 거리 Kim Min-geun Han Sun-hwa, Lee Wan

October–December Opening English title Native title Director(s) Cast OCTOBER 6F20 Hong Eun-mi Jang Young-nam, Kim Jung-young, Lee Ji-ha NOVEMBER10 Tomb of the River 강릉 Yoon Young-bin Jang Hyuk, Yu Oh-seong 17 Perhaps Love 장르만 로맨스 Jo Eun-ji Ryu Seung-ryong, Oh Na-ra, Kim Hee-won 24 Romance Without Love 연애 빠진 로맨스 Jeong Ga-young Jeon Jong-seo, Son Suk-ku, Gong Min-jung Spiritwalker 유체이탈자 Yoon Jae-geun Yoon Kye-sang, Park Yong-woo, Lim Ji-yeon DECEMBER 8 Monsta X: The Dreaming 몬스타엑스: 더 드리밍 Oh Yoon-dong, Sung Shin-hyo Son Hyun-woo, Lee Min-hyuk, Yoo Ki-hyun, Chae Hyung-won, Lee Joo-heon, Im Chang-kyun 29 A Year-End Medley 해피 뉴 이어 Kwak Jae-yong Han Ji-min, Lee Dong-wook, Kang Ha-neul, Im Yoon-ah

See also List of 2021 box office number-one films in South Korea 2021 in South Korea Impact of the COVID-19 pandemic on cinema

References

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