List of United States senators from Maine

was admitted to the Union on March 15, 1820. The state's U.S. senators belong to class 1 and class 2. Republican Susan Collins and independent Angus King are Maine's current U.S. senators, making Maine one of four states to have a split United States Senate delegation. William P. Frye was Maine's longest serving senator. Maine is one of fourteen states alongside California, Colorado, Georgia, Hawaii, Idaho, Louisiana, Massachusetts, Minnesota, Missouri, Nevada, Pennsylvania, South Dakota, and Utah to have a younger senior senator and an older junior senator.

List of senators

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