Rogan is an Irish surname, anglicized from Ó Ruadhagáin, which comes from ruadh and means "red-haired" or "red". It rides the wave of Irish surname names like Ronan and Rowan, and the podcaster Joe Rogan has made the sound familiar to millions. In the United States Rogan rose from number 5519 in 2000 to a peak of number 1221 in 2020 and stands at number 2019 in 2025.