| Zac Ista | |
| Office: | Minority Leader of the North Dakota House of Representatives |
| Term Start: | April 30, 2023 |
| Predecessor: | Joshua Boschee |
| State House1: | North Dakota |
| District1: | 43rd |
| Alongside1: | Eric James Murphy |
| Term Start1: | October 9, 2020 |
| Predecessor1: | Matt Eidson |
| Birth Name: | Zachary Milo Ista |
| Birth Date: | 7 April 1985 |
| Birth Place: | West Fargo, North Dakota, U.S. |
| Party: | Democratic |
| Education: | North Dakota State University (BA) American University (JD) |
Zachary Milo Ista (born April 7, 1985) is an American attorney and politician. An assistant state's attorney for Grand Forks County, he was appointed to the North Dakota House of Representatives in 2020 succeeding Matt Eidson. His 43rd district represents Grand Forks.[1] Ista previously ran for a seat in the state house from the 13th district in 2006, while an undergraduate student at North Dakota State University.[2]