| Gagik Harutyunyan | |
| Nationality: | Armenian |
| Term Start: | 1996 |
| Term End: | 2018 |
| Successor: | Hrayr Tovmasyan |
| Birth Date: | 23 March 1948 |
| Birth Place: | Geghashen, Armenian SSR, Soviet Union |
| Party: | none (formerly Communist Party of Armenia) |
| Office: | President of the Constitutional Court of Armenia |
| Office1: | 2nd Prime Minister of Armenia |
| Termstart1: | 22 November 1991 |
| Termend1: | 30 July 1992 |
| Predecessor1: | Vazgen Manukyan |
| Successor1: | Khosrov Harutyunyan |
| President: | |
| President1: | Levon Ter-Petrosyan |
| Office2: | Vice President of Armenia |
| Predecessor2: | post established |
| Successor2: | post abolished |
| President2: | Levon Ter-Petrosyan |
| Termstart2: | 16 October 1991 |
| Termend2: | 6 February 1996 |
| Alma Mater: | Yerevan State University |
| Native Name Lang: | hy |
Gagik Garushi Harutyunyan (Armenian: Գագիկ Գարուշի Հարությունյան; born 23 March 1948) is an Armenian politician and jurist who served as the president of the Constitutional Court of Armenia from 1996 to 2018. He served as Prime Minister of Armenia from 22 November 1991 to 30 July 1992.[1]
Harutyunyan was elected as Vice President of Levon Ter-Petrossian and served from 11 November 1991 until February 1996, when the post was abolished by the new constitution.[1] As replacement, the National Assembly elected him as the president of the center of constitutional law of Armenia.[2]