| Armando Aráuz Aguilar | |
| Office: | Second Vice President of Costa Rica |
| Alongside: | Alberto Fait Lizano |
| Term Start: | 8 May 1982 |
| Term End: | 8 May 1986 |
| President: | Luis Alberto Monge |
| Predecessor: | José Miguel Alfaro Rodríguez |
| Successor: | Victoria Garrón Orozco de Doryan |
| Birth Name: | Armando Aráuz Aguilar |
| Birth Date: | 26 January 1922 |
| Birth Place: | Nicoya, Costa Rica |
| Death Date: | 11 May 2002 (aged 80) |
| Party: | PLN |
| Spouse: | Ligia Cavallini Quiros |
| Children: | 3 |
| Education: | University of Costa Rica |
Armando Aráuz Aguilar (26 January 1922[1] – 11 May 2002[2] [3]) was a Costa Rican lawyer and politician who served as Second Vice President of Costa Rica between 1982 and 1986, serving under president Luis Alberto Monge. He was also a Deputy in the Legislative Assembly of Costa Rica between 1966 and 1970 and again between 1979 and 1982. He was a law professor at the University of Costa Rica.[4] He died of a heart attack.[5]