Johann Louw (born 12 April 1979) is a South African cricketer.
Louw was born in Cape Town, Cape Province. He is a right-arm medium-fast bowler who has represented Griqualand West, Eastern Province, Northamptonshire, Dolphins, Eagles and Middlesex. Louw is a bowling all-rounder and is a noted one-day cricketer with the ability to finish an innings with bat and ball.
Louw made his international debut in a Twenty20 International against Kenya in Kimberley on 2 November 2008.