2023年北海道知事選挙（2023ねんほっかいどうちじせんきょ）は、2023年（令和5年）4月の第20回統一地方選挙にて執行された選挙である。

 概要 
 告示日：2023年3月23日
 投開票日：2023年4月9日
 啓発キャラクター：清宮幸太郎・今川優馬（プロ野球選手・北海道日本ハムファイターズ所属）・ファイターズガール

 同日選挙 
 北海道議会議員選挙
 札幌市長選挙・市議会議員選挙

 立候補者 
（4名、立候補届け出順。年齢は投開票日時点。）
氏名年齢党派現元新肩書門別芳夫（もんべつ よしお）61無所属新建設設備業鈴木直道（すずき なおみち）42無所属現北海道知事（現職）元夕張市長池田真紀（いけだ まき）50無所属新前衆議院議員社会福祉士三原大輔（みはら だいすけ）48無所属新美容師元郵便局職員

 立候補を取りやめた人物 
 みくま - 投資家
 2023年3月10日に会見で立候補を表明したが、3月15日に立候補を取りやめる意向が報じられた。
 和田貴志 - 家具製造販売業
 2023年3月8日、取材に対し立候補の意向を示したが、告示日に立候補を届け出なかった。その後、知事選と同日投開票の北海道議会議員選挙（江別市選挙区）に立候補したが落選。

 タイムライン 
 2022年
 11月1日 - 門別がTwitter上で立候補を表明。同月10日に会見を開き正式に表明。
 2023年
 1月15日 - 鈴木が取材に対し再選へ向け立候補を表明。同月28日に会見を開き正式に表明。
 2月4日 - 池田が会見で立候補を表明。
 3月22日 - 三原が会見で立候補を表明。

 政党・団体の対応 
 現職の鈴木は自由民主党・公明党・新党大地から推薦を受けた。
 池田は立憲民主党から推薦を受けたほか、日本共産党・国民民主党北海道連・社会民主党・地域政党市民ネットワーク北海道から支持を受けた。
 門別は第49回衆議院議員総選挙にれいわ新選組公認で立候補したが、当選挙では同党を含めた政党の公認・推薦・支持を受けなかった。
 三原は北海道百年記念塔の解体中止のみを政策に掲げて立候補しており、政党の公認・推薦・支持・支援を一切受けなかった。

 選挙結果 
投開票の結果、現職の鈴木が新人3候補を大差で破り再選を果たした。

+自治体別開票結果市区町村鈴木直道池田真紀門別芳夫三原大輔得票%得票%得票%得票%合計1,692,43675.63%479,67821.44%40,5791.81%24,9781.12%札幌市中央区73,12571.68%24,18523.71%3,0733.01%1,6271.59%札幌市北区86,33273.54%26,36222.46%2,8832.46%1,8161.55%札幌市東区77,85774.46%22,72921.74%2,6082.49%1,3741.31%札幌市白石区63,58275.18%17,39520.57%2,4542.90%1,1421.35%札幌市厚別区42,08469.18%16,52227.16%1,2712.09%9601.58%札幌市豊平区70,62074.69%20,22221.39%2,4132.55%1,2961.37%札幌市清田区38,51575.37%10,81321.16%1,1482.25%6271.23%札幌市南区48,45575.26%13,42920.86%1,5142.35%9841.53%札幌市西区71,98674.31%21,54722.24%2,0732.14%1,2641.30%札幌市手稲区47,72873.58%14,94523.04%1,3732.12%8171.26%函館市81,77576.39%23,04621.53%1,2431.16%9860.92%小樽市32,39873.13%10,72124.20%7841.77%3960.89%旭川市99,14176.16%27,79521.35%1,7531.35%1,4811.14%室蘭市24,04674.41%7,43323.00%5611.74%2760.85%釧路市52,52578.24%13,23919.72%8241.23%5430.81%帯広市49,59176.66%13,41820.74%1,1401.76%5420.84%北見市31,75477.42%8,37620.42%5801.41%3070.75%夕張市3,13481.61%64716.85%350.91%240.63%岩見沢市23,66574.43%7,07622.26%7152.25%3381.06%網走市10,55278.19%2,68119.87%1581.17%1050.78%留萌市7,71479.15%1,78718.34%1331.36%1121.15%苫小牧市47,57976.51%12,68520.40%1,1541.86%7671.23%稚内市11,65079.24%2,73618.61%2071.41%1100.75%美唄市7,01778.29%1,73719.38%1291.44%800.89%芦別市4,78779.08%1,15219.03%691.14%450.74%江別市36,57969.49%14,44127.44%8381.59%7791.48%赤平市3,69077.72%98620.77%410.86%310.65%紋別市6,26978.89%1,48318.66%1391.75%560.70%士別市7,12875.73%2,14022.74%941.00%500.53%名寄市9,48675.69%2,60020.75%2131.70%2331.86%三笠市2,77875.06%81722.08%641.73%421.13%根室市7,33082.88%1,33915.14%1151.30%600.68%千歳市29,29978.60%6,82118.30%6971.87%4581.23%滝川市14,06178.37%3,46019.29%2571.43%1630.91%砂川市5,96474.43%1,91723.92%811.01%510.64%歌志内市1,18074.87%36723.29%110.70%181.14%深川市6,91276.10%2,03822.44%900.99%430.47%富良野市7,80978.70%1,91719.32%1051.06%920.93%登別市13,09274.28%4,08923.20%2921.66%1520.86%恵庭市23,97176.93%6,41020.57%4781.53%3010.97%伊達市10,36074.07%3,25123.24%2091.49%1671.19%北広島市19,04770.88%7,14626.59%4031.50%2761.03%石狩市16,04772.33%5,57025.11%3911.76%1770.80%北斗市14,42778.50%3,48818.98%2331.27%2301.25%南幌町2,85978.67%69419.10%451.24%360.99%奈井江町2,01578.96%48318.93%371.45%170.67%上砂川町99176.82%26320.39%151.16%211.63%由仁町2,26578.73%55019.12%411.43%210.73%長沼町3,64579.08%86018.66%701.52%340.74%栗山町4,29978.78%1,02318.75%871.59%480.88%月形町1,27675.59%31418.60%533.14%452.67%浦臼町70279.23%16618.74%91.02%91.02%新十津川町2,74880.30%59917.50%280.82%471.37%妹背牛町1,29682.71%24715.76%110.70%130.83%秩父別町1,06984.31%18014.20%161.26%30.24%雨竜町1,07380.68%23417.59%151.13%80.60%北竜町82978.88%20219.22%151.43%50.48%沼田町1,46282.55%28215.92%181.02%90.51%当別町5,30172.95%1,74323.99%1452.00%781.07%新篠津村1,37781.96%26315.65%291.73%110.65%島牧村62380.49%13217.05%101.29%91.16%寿都町1,10878.69%26718.96%100.71%231.63%黒松内町1,09775.76%31621.82%171.17%181.24%蘭越町2,08677.40%55120.45%331.22%250.93%ニセコ町1,66472.70%56024.46%462.01%190.83%真狩村91077.78%23219.83%121.03%161.37%留寿都村73382.36%14316.07%70.79%70.79%喜茂別町80873.86%25423.22%171.55%151.37%京極町1,35681.54%28317.02%140.84%100.60%倶知安町5,00077.66%1,24119.28%1382.14%590.92%共和町2,55282.64%48315.64%321.04%210.68%岩内町4,77983.20%85514.89%621.08%480.84%泊村77684.26%12513.57%90.98%111.19%神恵内村47483.60%8715.34%30.53%30.53%積丹町82280.51%18017.63%121.18%70.69%古平町1,06577.91%25718.80%191.39%261.90%仁木町1,23776.22%34321.13%261.60%171.05%余市町5,49774.50%1,67922.75%1151.56%881.19%赤井川村41674.82%12823.02%81.44%40.72%豊浦町1,28877.54%30318.24%593.55%110.66%壮瞥町88977.17%23019.97%221.91%110.95%白老町5,29077.42%1,35519.83%1161.70%721.05%厚真町1,81679.23%43819.11%271.18%110.48%洞爺湖町3,04577.15%78019.76%802.03%421.06%安平町2,65975.24%80822.86%471.33%200.57%むかわ町2,89679.00%70319.18%461.25%210.57%日高町3,95578.05%95818.91%1172.31%370.73%平取町1,85575.44%52421.31%391.59%411.67%新冠町2,00479.78%44217.60%471.87%190.76%浦河町4,20976.11%1,20321.75%711.28%470.85%様似町1,73179.59%41118.90%241.10%90.41%えりも町2,02482.48%37115.12%291.18%301.22%新ひだか町7,18579.06%1,68918.58%1491.64%650.72%松前町2,71882.79%51515.69%310.94%190.58%福島町1,56082.58%30816.30%150.79%60.32%知内町1,64783.48%29815.10%140.71%140.71%木古内町1,57678.41%41120.45%140.70%90.45%七飯町8,91475.19%2,75423.23%1150.97%730.62%鹿部町1,43480.65%30317.04%211.18%201.12%森町5,28381.21%1,11917.20%520.80%510.78%八雲町4,82475.54%1,45322.75%721.13%370.58%長万部町1,88577.19%49720.35%281.15%321.31%江差町2,52874.53%79723.50%280.83%391.15%上ノ国町1,96282.75%38216.11%160.67%110.46%厚沢部町1,87483.36%35615.84%100.44%80.36%乙部町1,75083.97%30814.78%130.62%130.62%奥尻町1,24784.89%20013.61%110.75%110.75%今金町2,14280.04%49518.50%210.78%180.67%せたな町3,32079.16%80919.29%410.98%240.57%鷹栖町2,46276.27%69821.62%441.36%240.74%東神楽町3,31275.67%98122.41%461.05%380.87%当麻町2,19976.89%60020.98%391.36%220.77%比布町1,40675.27%42522.75%251.34%120.64%愛別町1,23480.29%27617.96%171.11%100.65%上川町1,30070.08%53228.68%100.54%130.70%東川町2,61875.40%78322.55%481.38%230.66%美瑛町4,27979.65%1,01218.84%500.93%310.58%上富良野町4,37482.92%71813.61%991.88%841.59%中富良野町2,21884.43%36013.70%220.84%271.03%南富良野町95771.95%30623.01%322.41%352.63%占冠村39162.36%22235.41%121.91%20.32%和寒町1,48877.86%39220.51%190.99%120.63%剣淵町1,29575.07%40423.42%181.04%80.46%下川町1,26473.83%38722.61%422.45%191.11%美深町1,74476.63%47921.05%341.49%190.83%音威子府村23357.25%17041.77%40.98%00.00%中川町62973.65%21124.71%70.82%70.82%幌加内町66080.10%15218.45%91.09%30.36%増毛町1,78081.02%38717.61%180.82%120.55%小平町1,51181.85%28815.60%291.57%180.98%苫前町1,36582.63%26415.98%160.97%70.42%羽幌町2,96580.03%66617.98%401.08%340.92%初山別村59179.86%13017.57%60.81%131.76%遠別町1,20884.18%20814.49%80.56%110.77%天塩町1,50084.75%24914.07%110.62%100.56%猿払村1,13081.65%23116.69%141.01%90.65%浜頓別町1,47977.27%40921.37%190.99%70.37%中頓別町69677.16%17819.73%151.66%131.44%枝幸町2,84682.02%57116.46%330.95%200.58%豊富町1,53578.92%37119.07%160.82%231.18%礼文町1,15783.84%17912.97%261.88%181.30%利尻町1,07483.78%18914.74%90.70%100.78%利尻富士町1,36787.57%16110.31%191.22%140.90%幌延町96084.73%15313.50%121.06%80.71%美幌町6,27481.91%1,20015.67%1101.44%760.99%津別町1,42273.56%48725.19%150.78%90.47%斜里町3,85076.45%1,09321.70%611.21%320.64%清里町1,62477.52%43520.76%221.05%140.67%小清水町1,78679.48%42719.00%220.98%120.53%訓子府町1,93579.14%47119.26%240.98%150.61%置戸町1,21073.83%39924.34%191.16%110.67%佐呂間町1,99683.10%36115.03%220.92%230.96%遠軽町6,92275.89%1,99721.89%1231.35%790.87%湧別町3,54683.63%61914.60%511.20%240.57%滝上町1,14380.32%25017.57%130.91%171.19%興部町1,40081.25%29617.18%181.04%90.52%西興部村51978.76%9614.57%294.40%152.28%雄武町1,67086.53%22511.66%261.35%90.47%大空町2,70182.05%54616.59%230.70%220.67%音更町14,95776.35%4,29821.94%2011.03%1330.68%士幌町2,78480.37%62918.16%351.01%160.46%上士幌町1,88072.59%65125.14%361.39%230.89%鹿追町2,23878.42%56219.69%331.16%210.74%新得町2,21971.51%79825.72%561.80%300.97%清水町3,51977.70%92720.47%551.21%280.62%芽室町7,15178.59%1,78819.65%1031.13%570.63%中札内村1,65174.60%49622.41%331.49%331.49%更別村1,41176.23%40221.72%231.24%150.81%大樹町2,44483.19%44415.11%280.95%220.75%広尾町2,70181.63%55716.83%260.79%250.76%幕別町9,57274.53%3,05623.79%1291.00%870.68%池田町2,46971.67%92626.88%401.16%100.29%豊頃町1,42379.23%35619.82%110.61%60.33%本別町2,71074.15%88824.30%441.20%130.36%足寄町2,62070.24%1,03127.64%360.97%431.15%陸別町1,00473.72%32023.49%282.06%100.73%浦幌町2,03677.62%54020.59%210.80%260.99%釧路町5,74279.11%1,37118.89%791.09%660.91%厚岸町3,58783.67%63814.88%340.79%280.65%浜中町2,47584.38%40213.71%361.23%200.68%標茶町2,81975.58%84722.71%381.02%260.70%弟子屈町2,98382.15%59716.44%330.91%180.50%鶴居村1,09379.32%26419.16%120.87%90.65%白糠町3,02582.13%62617.00%200.54%120.33%別海町5,24482.62%96215.16%781.23%630.99%中標津町6,97379.57%1,55617.76%1631.86%710.81%標津町2,01780.58%42416.94%371.48%251.00%羅臼町1,70384.60%28113.96%200.99%90.45%