| Bob Buch | |
| State House: | Alaska |
| State: | Alaska |
| District: | 27th |
| Term: | 2007 – 2011 |
| Preceded: | Norm Rokeberg |
| Succeeded: | Mia Costello |
| Party: | Democratic |
| Birth Date: | 24 July 1949 |
| Birth Place: | Fond du Lac, Wisconsin |
| Occupation: | Plumber |
| Spouse: | Marcy |
| Residence: | Anchorage, Alaska |
Robert L. "Bob" Buch (born July 24, 1949) was a Democratic member of the Alaska House of Representatives, representing the 27th District from 2007 to 2011. He was elected in November 2006 defeating the Republican opponent Tom Moffatt by 56.57% to 43.25%.[1] In 2008, Buch won re-election, defeating the Republican Bob Lewis by 72 votes.[2] Buch was defeated in November 2010 by the Republican Mia Costello.[3]