Vice President, Vice Presidency, vice presidential
Capitalize title when it immediately precedes a personal name; otherwise lowercase, including appositives.
Avoid abbreviating.
Vice President Kamala Harris
but U.S. vice president Kamala Harris
former vice president Mike Pence
vice president of the United States
the vice president
a vice president
vice presidential candidate
vice president-elect
vice president of Ecuador
Paul D. Martin, vice president of CBS
Vice President Martin
the vice president of CBS
the corporation's vice president
See also: President, Presidency, presidential.