The Wain may refer to

• The Great Wain or Charles's Wain, another name for the Big Dipper asterism
• The Lesser Wain, another name for the Little Dipper asterism

• Ponna University
• Ponnavarayankottai
• Ponneelan
• Ponnekallu
• Ponneri (SC) (State Assembly Constituency)
• Ponneri (state assembly constituency)
• Ponneri taluk
• Ponner Sankar
• Ponner shankar
• Ponnesen
• Ponni
• Ponni (disambiguation)
• Ponni rice
• Ponnistus Helsinki
• Ponniyinselvan
• Ponniyin Selvan (film)
• Ponnu Matriculation Higher Secondary School
• Ponnusami Nadar
• Ponnusamy Nadar
• Ponnāni
• PONO
• Ponoamine oxidase inhibitor
• Ponoarele
• Ponoka (disambiguation)
• Ponoko