Can spinal stenosis cause sexual dysfuction?

Yes: Any compromise of the spinal cord can affect the nerves responsible for erections.

Yes: If the stenosis is severe enough, it can but it is usually one of the later neurologic symptoms.

Possible if...: Many spinal-stenosis-related conditions may interfere sexual function with a highly variable degree and pace over time; they are nerve damage and pain by stenosis itself or after expected/unexpected damage by surgical "correction", aging, medical comorbidity, direct/indirect related disability. Most are well and highly manageable, but no cure, just to cope with reality, certainty ; uncertainty....