Wenner is a surname. Notable people with the surname include:
Axel Wenner-Gren (1881–1961), Swedish entrepreneur, one of the richest men in the world during the 1930sChristopher Wenner (born 1954), British journalist and former British television presenterJann Wenner (born 1946), the co-founder and publisher of the music and politics biweekly Rolling StoneKurt Wenner, artist best known for his realistic street painting and chalk murals using a projection called anamorphosisRosemarie Wenner (born 1955), the current Presiding Bishop of the United Methodist Church in Germany