| Tasso Jereissati | |
| Office: | Senator for Ceará |
| Term Start: | 1 February 2015 |
| Term End: | 1 February 2023 |
| Term Start1: | 1 February 2003 |
| Term End1: | 1 February 2011 |
| Office5: | Governor of Ceará |
| Term Start5: | 1 January 1995 |
| Term End5: | 6 April 2002 |
| Vicegovernor5: | Beni Veras |
| Predecessor5: | Rocha Aguiar |
| Successor5: | Beni Veras |
| Term Start6: | 15 March 1987 |
| Term End6: | 15 March 1991 |
| Vicegovernor6: | Francisco de Castro |
| Predecessor6: | Gonzaga Mota |
| Successor6: | Ciro Gomes |
| Birth Name: | Tasso Ribeiro Jereissati |
| Birth Date: | 15 December 1948 |
| Birth Place: | Fortaleza, Ceará, Brazil |
| Party: | PSDB (1989–present) |
| Otherparty: | PMDB (1986–89) |
| Spouse: | Renata Queiroz Jereissati |
| Signature: | Tasso Jereissati Assinatura.jpg |
Tasso Ribeiro Jereissati (born 15 December 1948) is federal senator of Brazil. He is a former governor of Ceará from 1987 to 1991 and again from 1995 to 2002. He was formerly president of the Teotônio Vilela Institute, a PSDB-affiliated think tank.[1]