Troutbeck is a hamlet within Cumbria, England, a few miles to the west of Penrith.

It lies within the Lake District, the civil parish of Hutton, and the unitary authority of Westmorland and Furness Great Mell Fell is situated immediately to the east of Troutbeck.

The place-name 'Troutbeck' is first attested in the Subsidy Rolls of 1332, where it appears as Troutbek.

The stream the Trout Beck heads towards it and then veers west where it joins the River Glenderamackin less than half a mile to the west of Hutton Moor End.

Situated approximately 10 miles west of Penrith and just south of the A66, Troutbeck can be reached by car.