| Jacob Grimstead | |
| Office: | Member of the Iowa Senate from the 41st district |
| Term Start: | January 12, 1953 |
| Term End: | January 10, 1965 |
| Predecessor: | Leo Elthon |
| Successor: | Hilarius Heying |
| Birth Date: | 11 April 1905 |
| Birth Place: | Nissedal, Telemark, Norway |
| Party: | Republican |
Jacob Grimstead (April 11, 1905 – November 18, 1993) was an American politician who served in the Iowa Senate from the 41st district from 1953 to 1965.[1] [2]