| L. Holden Parker | |
| State Assembly: | Wisconsin |
| District: | Rock 3rd |
| Term Start: | January 2, 1899 |
| Term End: | January 7, 1901 |
| Predecessor: | Charles W. Merriman |
| Successor: | Halvor Cleophas |
| Party: | Republican |
| Birth Date: | 30 November 1848 |
| Birth Place: | Belvidere, Illinois, U.S. |
| Death Place: | San Francisco, California, U.S. |
| Restingplace: | Stockton Rural Cemetery, |
| Father: | Charles H. Parker |
| Alma Mater: | University of Michigan |
| Profession: | Lawyer, banker |
Lowell Holden Parker (November 30, 1848December 12, 1937) was an American lawyer, banker, manufacturer, and Republican politician from Beloit, Wisconsin. He served a single term in the Wisconsin State Assembly, representing Rock County's 3rd Assembly district in the 1899 session. During his business and political career, his name was often abbreviated as His father, Charles H. Parker, also served in the Wisconsin State Assembly.
Born in Belvidere, Illinois, on November 30, 1848, Parker went to Beloit College and then graduated from the University of Michigan in 1875. He practiced law in Beloit, Wisconsin. Park served on the Beloit School Board. He was involved with manufacturing of harvesters and binders. He was also in the banking business.[1] Parker died on December 12, 1937, in San Francisco, California, at age 89.[2] [3]