Tintern Abbey may refer to:

• Tintern Abbey, Wales
• Tintern Abbey (County Wexford), Ireland
• "Tintern Abbey" (poem), by William Wordsworth
• Tintern Abbey (band), a rock band in England in the 1960s

• Knat
• Knatchbull's Act
• K. Natesa Iyer
• Knat Scatt Private Eye
• Knattebrauta Nunataks
• Knatthøin
• Knattspyrnudeild Fjolnir
• Knattspyrnudeild Fjölnir
• Knattspyrnudeild Hamars
• Knattspyrnudeild Keflavík
• Knattspyrnudeild Reynis
• Knattspyrnufelag Akureyrar
• Knattspyrnufelag Breidholts
• Knattspyrnufelag Fjardabyggdar
• Knattspyrnufelagid Fram
• Knattspyrnufelagid Noerd
• Knattspyrnufelagid Nord
• Knattspyrnufelagid Throttur
• Knattspyrnufelagid THrottur
• Knattspyrnufelagid Vikingur
• Knattspyrnufelag Reykjavikur
• Knattspyrnufelag Vesturbaejar
• Knattspyrnufélag Breiðholts
• Knattspyrnufélag Fjarðabyggðar
• Knattspyrnufélagið Valur