| Matthew Klein | |
| State: | North Dakota |
| State House: | North Dakota |
| District: | 40th |
| Term Start: | 1993 |
| Term End: | 2016 |
| Successor: | Randy Schobinger |
| Office1: | Speaker of the North Dakota House of Representatives |
| Term Start1: | 2005 |
| Term End1: | 2007 |
| Predecessor1: | Janet Wentz |
| Successor1: | Jeff Delzer |
| Party: | Republican |
| Birth Date: | 28 December 1933 |
| Birth Place: | Zeeland, North Dakota, U.S. |
| Death Place: | Minot, North Dakota, U.S. |
| Residence: | Minot, North Dakota, U.S. |
| Spouse: | Isabell |
Matthew M. Klein (December 28, 1933 – January 30, 2023) was an American politician who served as member of the North Dakota House of Representatives from 1993 to 2016. He was also the speaker of the House during the 2005 legislative session. He was succeeded as speaker by Rep. Jeff Delzer. Klein was an engineering consultant by trade.
Klein graduated from North Dakota State University with a degree in Electrical Engineering and did graduate studies at USC and UCLA. He served in the United States Air Force and was a member of the American Legion.[1] Klein died in Minot, North Dakota on January 30, 2023, at the age of 89.[2]