Zep

Zep or ZEP may refer to:
 * Zep (cartoonist) (real name Philippe Chappuis), the creator of comics character Titeuf
 * Zep, Inc., cleaning products company
 * Zeaxanthin epoxidase
 * Jo Jo Zep of Australian band Jo Jo Zep & The Falcons
 * Captain Zep – Space Detective, a British children's TV programme
 * Led Zeppelin, as a shortened nickname
 * Zero Emission Fossil Fuel Power Plants, a European organisation aiming to reduce greenhouse gas emissions
 * Zep Solar, manufactures equipment for installing solar panels
 * ZEP-RE, Kenyan reinsurance company
 * Žep, a mountain in Bosnia and Herzegovina
 * Book of Zephaniah, abbreviated Zep. or Zep