1864 Tumbran federal election
{{Infobox election | election_name = 1864 Tumbran federal election | country = Tumbra | type = parliamentary | ongoing = no | previous_election = | previous_year = | outgoing_members = | elected_members = | next_election = 1868 Tumbran federal election | next_year = 1868 | seats_for_election = All 300 seats to the Tumbran House of Representatives | majority_seats = 151 | election_date = 25 March 1864 | registered = 10,949,772 | turnout = 77.0% | opinion_polls = | image1 = William_Ewart_Gladstone_(cropped) | leader1 = Richard Barker | colour1 = ffc132 | leader_since1 = 1864 | party1 = Federalist | leaders_seat1 = [[Hulbury (Tumbran parliamentary constituency)|Hulbury (BC) | seats1 = 133 | seat_change1 = | popular_vote1 = 3,602,889 | percentage1 = 42.7% | swing1 = | image2 = Hon._Timothy_O._Howe,_Wis_-_NARA_-_525971_(cropped) | leader2 = Samuel Lightfoot | colour2 = 4cbb17 | leader_since2 = 1864 | party2 = Centre-Agrarian | leaders_seat2 = Faber, Cranbourne, and Cobham (CM) | seats2 = 100 | popular_vote2 = 2,688,459 | percentage2 = 31.9% | image3 = Charles_Sumner_Brady-Handy | leader3 = Alexander Henderson | colour3 = 1155cc | leader_since3 = 1864 | party3 = Liberal | leaders_seat3 = University of Couno | seats3 = 64 | popular_vote3 = 2,033,848 | percentage3 = 24.1% | title = Prime Minister | after_election = Richard Barker | after_party = Federalist }}