Lee Hye-ri (Hangul: 이혜리; born June 9, 1994), better known mononymously as Hyeri, is a South Korean singer, actress, and television personality. She rose to fame as the youngest member of the girl group Girl's Day and was named as the "Nation's Little Sister" by the South Korean media due to her immense popularity after appearing as a fixed cast member on Real Men (2014). She later became known for her leading role in television drama Reply 1988 (2015), which was the highest-rated drama in Korean cable television history at the time. She ranked third in the Forbes Korea Power Celebrity list in 2016 and is one of the highest-paid commercial models in South Korea. She was a regular cast member on Amazing Saturday (2018-2020).
| Movie | Night Fever | A-ri | 2027 |
| Series | Dream to You | Joo Yi-jae | 2027 |
| Series | Friendly Rivalry | Yoo Je-yi | 2025-02-10 |
| Series | Office Workers | Self | 2025-02-22 |
| Series | Reply 1988 10th Anniversary | Self | 2025-12-19 |
| Series | Beyond the Bar | 2025-08-02 | |
| Series | Hyeri's Club | Host / Herself | 2024-01-05 |
| Movie | Victory | Pil-sun | 2024-08-14 |
| Series | Agents of Mystery | Unknown | 2024-06-18 |
| Series | HYEMILEEYECHAEPA | Self | 2023-03-12 |
| Series | Dex's Fridge Interview | self | 2023-02-23 |
| Series | Salon Drip | Self | 2023-03-23 |
| Series | May I Help You? | Baek Dong-joo | 2022-10-19 |
| Series | My Roommate Is a Gumiho | Lee Dam | 2021-05-26 |
| Series | Moonshine | Kang Ro-seo | 2021-12-20 |
| Series | House on Wheels | Self | 2020-06-11 |
| Series | Record of Youth | Lee Hae Ji [Actress] | 2020-09-07 |
| Series | Miss Lee | Lee Seon-sim | 2019-09-25 |
| Movie | My Punch-Drunk Boxer | Min-ji | 2019-10-09 |
| Movie | Monstrum | Myeong-i | 2018-09-12 |
| Series | Amazing Saturday | Self | 2018-04-07 |
| Series | You Quiz on the Block | Self | 2018-08-29 |
| Series | Two Cops | Song Ji-An | 2017-11-27 |
| Series | Entertainer | Jung Geu-Rin | 2016-04-20 |
| Series | Candy in My Ear | Unknown | 2016-08-17 |
| Series | Let's Eat Dinner Together | Herself | 2016-10-19 |
| Series | 请回答1988 (摄影现场篇) | 成德善 | 2016-11-21 |
| Series | Girl's Day's One Fine Day | Unknown | 2015-08-03 |
| Series | 2015 Idol Star Athletics Championships Chuseok Special | Self | 2015-08-10 |
| Series | Hyde, Jekyll, Me | Min Woo-jeong | 2015-01-21 |
| Series | Reply 1988 | Sung Deok-sun | 2015-11-06 |
| Series | Men on a Mission | Self | 2015-12-05 |
| Series | I Am a Man | Unknown | 2014-08-08 |
| Series | Be Arrogant | Hyeri | 2014-10-27 |
| Series | Detectives of Seonam Girls' High School | Lee Ye-hee | 2014-12-16 |
| Series | Home Alone | Self | 2013-03-22 |
| Series | After School Club | Self | 2013-04-17 |
| Series | Baeksang Arts Awards | Self | 2012-04-26 |
| Series | Tasty Life | 장미현 | 2012-04-28 |
| Series | SNL Korea | Herself | 2011-12-03 |
| Series | The Show | MC | 2011-04-15 |
| Series | Running Man | Unknown | 2010-07-11 |
| Series | Idol Star Athletics Championships | Host | 2010-09-25 |
| Series | You Hee-yeol's Sketchbook | Self | 2009-04-24 |
| Series | 2 Days and 1 Night | Unknown | 2007-08-05 |
| Series | Hometown Over the Hill | Ma Dong Sook | 2007-10-24 |
| Series | Infinite Challenge | Self | 2005-04-23 |
| Series | MBC Music Festival | Self - Host | 2005-12-31 |
| Series | KBS Entertainment Awards | Host | 2002-12-28 |
| Series | MBC Entertainment Awards | Self - MC | 2001-12-29 |
| Series | KBS Drama Awards | Host | 1987-12-31 |