Ha Yeon-joo (; born August 6, 1987) is a South Korean actress. She is also a member of Mensa International.
| 2009 | Me, Neither (short film) | Oh Eun-Seo | |
| 2010 | The Rhythm of Chopsticks | Ji-Sook | |
| 2014 | Miss Granny | Soo-Yeon | |
| 2015 | The File | Shin Mi-Soo |
| 2008 | Here He Comes | Lee Jae-sook | |
| 2010 | Gloria | Yoo Mi-na | |
| 2011 | Royal Family | Ji-eun | |
| I Need Romance | Yoon Kang-hee | ||
| 2012 | Ugly Miss Young-ae 10 | Ha Yeon-joo | |
| I Need Romance 2012 | Yoon Kang-Hee (Cameo appearance) | ||
| 2013 | A Tale Of Two Sisters | Han Ki-eun | |
| Hye-ri | |||
| 2013–14 | Miss Korea | Shin Sun-young | |
| 2014 | It's Okay, That's Love | Hyun-joo | |
| My Secret Hotel | Jung Soo-ah | ||
| 2015 | Iron Lady Cha | Lee Yoon-hee | |
| Cheo Yong (Season 2) | Jung Ha-yoon | ||
| 2016 | Goodbye Mr. Black | Mei | |
| Entourage | Herself (ep.14) | ||
| 2016–17 | Person Who Gives Happiness | Kim Ja-kyung | |
| 2019 | Left-Handed Wife | Esther Jang | |
| 2024 | The Two Sisters | Lee Hye-ji / Bae Do-eun |
| 2009–10 | Inkigayo | Host | |
| 2009 | Roller Coaster | Cast member | |
| 2014 |
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