Abrasion may refer to:

• Abrasion (dental), the loss of tooth structure by mechanical forces from a foreign element
• Abrasion (medical), a wound consisting of superficial damage to the skin
• Abrasion (mechanical), the process of scuffing, scratching, wearing down, marring, or rubbing away
• Abrasion (geology), mechanical scraping of a surface by friction between moving particles

• Abrasion coast, a coastline that is characterised by the removal (abrasion) of material
• Abrasives