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 | 2026 |
| Series | Dream to You | Joo Yi-jae | 2026 |
| Series | Friendly Rivalry | Yoo Je-yi | 2025-02-10 |
| Series | Office Workers | Self | 2025-02-22 |
| Series | Beyond the Bar | 2025-08-02 | |
| Series | Hyeri's Club | Host / Herself | 2024-01-05 |
| Series | Agents of Mystery | Self | 2024-06-18 |
| Movie | Victory | Pil-sun | 2024-08-14 |
| Series | Dex's Fridge Interview | self | 2023-02-23 |
| Series | HYEMILEEYECHAEPA | Self | 2023-03-12 |
| Series | May I Help You? | Baek Dong-joo | 2022-10-19 |
| Series | Moonshine | Kang Ro-seo | 2021-12-20 |
| Series | My Roommate Is a Gumiho | Lee Dam | 2021-05-26 |
| Series | House on Wheels | Self | 2020-06-11 |
| Series | Record of Youth | Lee Hae Ji [Actress] | 2020-09-07 |
| Movie | My Punch-Drunk Boxer | Min-ji | 2019-10-09 |
| Series | Miss Lee | Lee Seon-sim | 2019-09-25 |
| Series | Amazing Saturday | Self | 2018-04-07 |
| Movie | Monstrum | Myeong-i | 2018-09-12 |
| Series | You Quiz on the Block | Self | 2018-08-29 |
| Series | Two Cops | Song Ji-An | 2017-11-27 |
| Series | Candy in My Ear | Unknown | 2016-08-17 |
| Series | Entertainer | Jung Geu-Rin | 2016-04-20 |
| Series | 请回答1988 (摄影现场篇) | 成德善 | 2016-11-21 |
| Series | Let's Eat Dinner Together | Herself | 2016-10-19 |
| Series | Hyde, Jekyll, Me | Min Woo-jeong | 2015-01-21 |
| Series | Girl's Day's One Fine Day | 2015-08-03 | |
| Series | Men on a Mission | Self | 2015-12-05 |
| Series | Reply 1988 | Sung Deok-sun | 2015-11-06 |
| Series | I Am a Man | Unknown | 2014-08-08 |
| Series | Detectives of Seonam Girls' High School | Lee Ye-hee | 2014-12-16 |
| Series | Be Arrogant | Hyeri | 2014-10-27 |
| Series | Home Alone | Self | 2013-03-22 |
| Series | Tasty Life | 장미현 | 2012-04-28 |
| Series | Baeksang Arts Awards | Self | 2012-04-26 |
| 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 | Hometown Over the Hill | Ma Dong Sook | 2007-10-24 |
| Series | 2 Days and 1 Night | Unknown | 2007-08-05 |
| Series | MBC Music Festival | Self - Host | 2005-12-31 |
| Series | Infinite Challenge | Self | 2005-04-23 |
| 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 |