Strut channel is a standardized formed steel (or sometimes aluminum) structural system used in the construction and electrical industries for light structural support, often for supporting wiring, plumbing, or mechanical components such as air conditioning or ventilation systems.

The main advantage of strut channel in construction is that there are many options available for rapidly and easily connecting lengths together and other items to the strut channel, using various specialized strut-specific fasteners and bolts. It can be assembled very rapidly with minimal tools and only moderately trained labor, which reduces costs significantly in many applications.