ERM may refer to:

In systems and processes:

• European Exchange Rate Mechanism
• European Reference Materials
• Enterprise Relationship Management
• Enterprise Risk Management
• Entity-relationship model
• Electronic Resource Management

In people:

• Emir Rodríguez Monegal (1921–1985), Uruguyan literary critic, editor, writer

In biology and medicine:

• ERM proteins (ezrin, radixin, moesin, plus merlin), a family of actin-binding proteins
• Epithelial cell rests of Malassez, in dentistry, residual cells of Hertwig's epithelial root sheath

In Companies:

• Environmental Resource Management

In Entertainment

• Event Related Model