This is a list of lieutenant governors of the U.S. state of Iowa.
The state constitution describes the responsibilities of the position: "The lieutenant governor shall have the duties provided by law and those duties of the governor assigned to the lieutenant governor by the governor.
"[1][2] Prior to 1990, the governor and lieutenant governor were elected in separate elections; since then they have run together on the same ticket.
[3] Italics indicate next-in-line of succession for states and territories without a directly elected lieutenant governor or whose lieutenant governor office is vacant: