The Maryland Senate, sometimes referred to as the Maryland State Senate, is the upper house of the General Assembly, the state legislature of the U.S. state of Maryland. Composed of 47 senators elected from an equal number of constituent single-member districts, the Senate is responsible, along with the Maryland House of Delegates, for passage of laws in Maryland, and for confirming executive appointments made by the Governor of Maryland.

The Maryland General Assembly is the state legislature of the U.S. state of Maryland that convenes within the State House in Annapolis. It is a bicameral body: the upper chamber, the Maryland Senate, has 47 representatives, and the lower chamber, the Maryland House of Delegates, has 141 representatives. Members of both houses serve four-year terms. Each house elects its own officers, judges the qualifications and election of its own members, establishes rules for the conduct of its business, and may punish or expel its own members.