Metrolink, MetroLink, or Metro-link is the name of several transport services throughout the world:
- Australia
- Metro-link Bus Lines, a bus operator in Sydney, New South Wales
- TransdevTSL Brisbane Ferries, formerly known as Metrolink Queensland, a ferry operator in Brisbane, Queensland
- Canada
- MetroLink (Halifax), a bus rapid transit service in the Halifax Regional Municipality, Nova Scotia
- India
- MetroLink Express Gandhinagar and Ahmedabad, a proposed mass-transit rail system for the cities of Ahmedabad and Gandhinagar
- New Zealand
- Metrolink, a division of NZ Bus that operates bus services in Auckland
- United Kingdom
- Manchester Metrolink, a light rail network in Greater Manchester, England
- United States
- Metrolink (Southern California), a commuter rail service in Southern California
- MetroLink (St. Louis), a light rail service in St. Louis, Missouri
- Quad Cities MetroLINK, a bus service in the Quad Cities of Illinois