Collateral ligament can refer to: Lateral collateral ligament (disambiguation): Fibular collateral ligament Lateral collateral ligament of ankle joint Radial collateral ligament of elbow joint Medial collateral ligament Collateral ligaments of interphalangeal articulations of foot Collateral ligaments of metatarsophalangeal articulations Ulnar collateral ligament of elbow joint Collateral ligaments of metacarpophalangeal articulations.