Metropolitan Transit Authority may refer to:

• Metropolitan Transit Authority (Boston), succeeded by the Massachusetts Bay Transportation Authority (MBTA)
• Metropolitan Transit Authority (Victoria), Melbourne, Australia
• Erie Metropolitan Transit Authority, Pennsylvania
• Metropolitan Transit Authority of Harris County, Texas
• Metropolitan Transit Authority (Miami-Dade), Florida
• Nashville Metropolitan Transit Authority, doing business as WeGo Public Transit, Tennessee
• Topeka Metropolitan Transit Authority, Kansas

• Metropolitan Transportation Authority, New York
• Los Angeles County Metropolitan Transportation Authority, California
• San Diego Metropolitan Transit System
• Réseau de transport métropolitain, Montreal, Canada
• MTA (disambiguation), for other things abbreviated "MTA"

This disambiguation page lists articles associated with the title Metropolitan Transit Authority.
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