2018 Onslander General Election

{{Infobox election | country = Onsland | type = parliamentary | previous_election = 2015 Onslander General Election | previous_year = 2015 | election_date = 20 January 2018 (2018-01-20) | next_election = 2021 | next_year = 2021 | seats_for_election = All 525 seats in House of Commons | majority_seats = 263 | registered = 11,012,923 | turnout = 81.2% (5.2pp) | image_size = 160x160px

| image1 =

| candidate1 = Tam van Boom | leaders_seat1 = West Stelle | party1 = 70B | colour1 = 630DB9 | last_election1 = 36.3%, 187 seats | seats1 = 259 | seat_change1 = 72 | popular_vote1 = | percentage1 = 33.9% | swing1 = 2.4%

| image2 =

| candidate2 = Karla Brundt | leaders_seat2 = Toltenburg | party2 = LPvE/LEP | colour2 = 2FCA00 | last_election2 = New | seats2 = 103 | seat_change2 = New | popular_vote2 = | percentage2 = 16.4% | swing2 = New

| image3 =

| candidate3 = Maartje Trilsbeek | leaders_seat3 = Klokdorp | party3 = GP | colour3 = 009696 | last_election3 = 16.4%, 46 seats | seats3 = 69 | seat_change3 = 23 | popular_vote3 = | percentage3 = 11.1% | swing3 = 5.3%

| image4 =

| candidate4 = Hoch Tuah | leaders_seat4 = Holons
Lost election | party4 = FP | colour4 = 004FB5 | last_election4 = 38.9%, 252 seats | seats4 = 50 | seat_change4 = 202 | popular_vote4 = | percentage4 = 17.7% | swing4 = 21.2%

| image5 =

| candidate5 = Havard Troge | leaders_seat5 = West Robrumar | party5 = RVP/RFP | colour5 = FFDF11 | last_election5 = 6.3%, 40 seats | seats5 = 42 | seat_change5 = 2 | popular_vote5 = | percentage5 = 7.0% | swing5 = 0.7%

| image6 =

| candidate6 = Njall Frump | leaders_seat6 = Edvardorp
Lost election | party6 = OHP | colour6 = 87CEEB | last_election6 = New | seats6 = 2 | seat_change6 = New | popular_vote6 = | percentage6 = 10.1% | swing6 = New

| map_image = Onslander Commons Diagram 2018.svg | map_caption = House of Commons after election

| title = Government | before_election = Tuah Cabinet | before_party = Federalist
Minority | posttitle = Government after election | after_election = [[van Boom I] Cabinet] | after_party = 70B-LPvE/LEP | party_colour = yes }}