The lieutenant governor of Indiana is a constitutional office in the US state of Indiana. Republican Suzanne Crouch, who assumed office January 9, 2017, is the incumbent. The office holder's constitutional roles are to serve as the president of the Indiana Senate, become acting governor during the incapacity of the governor, and become governor should the incumbent governor resign, die in office, or be impeached and removed from office. Lieutenant governors have succeeded ten governors following their deaths or resignations. The lieutenant governor holds statutory positions, serving as the head of the state agricultural and rural affairs bureaus, and as the chairman of several state committees.

Suzanne Crouch is an American politician who has served as the 52nd lieutenant governor of Indiana since 2017. She previously served as the 56th state auditor of Indiana from 2014 to 2017. In 2024 she ran for governor of Indiana, losing the primary election to U.S. Senator Mike Braun.