2018年U20世界陸上競技選手権大会（2018ねんU20せかいりくじょうきょうぎせんしゅけんたいかい、2018 IAAF World U20 Championships）は、2018年7月10日から15日までフィンランドのタンペレで開催された第17回U20世界陸上競技選手権大会（旧称：世界ジュニア陸上競技選手権大会）である。

 結果 

 男子 
100mLalu Muhammad Zohri10.18NJRAnthony Schwartz10.22Eric Harrison Jr.10.22PB200mJona Efoloko20.48PBCharlie Dobson20.57Eric Harrison Jr.20.79400mJonathan Sacoor45.03NJRChristopher Taylor45.38Chantz Sawyers45.89800mSolomon Lekuta1:46.35Ngeno Kipngetich1:46.45PBEliott Crestan1:47.271500mGeorge Manangoi3:41.71Jakob Ingebrigtsen3:41.89Justus Soget3:42.145000mEdward Zakayo13:20.16スタンネリー・ワイザカ・ブルー13:20.57Jakob Ingebrigtsen13:20.78AJR10,000mRhonex Kipruto27:21.08CRJacob Kiplimo27:40.36Berihu Aregawi27:48.41PB110mハードル（99.0cm）Damion Thomas13.18Orlando Bennett13.33泉谷駿介13.38PB400mハードルSokwakhana Zazini49.42Bassem Hemeida49.59PBAlison dos Santos49.78PB3000mSCTakele Nigate8:25.35SBLeonard Bett8:25.39Getnet Wale8:26.16SB4×100mリレーEric Harrison Jr.Anthony SchwartzAustin KratzMicah Williams38.88WJLXavier NairneChristopher TaylorJhevaughn MathersonMichael Stephens38.96NJR Lucas Ansah-PeprahMarvin SchulteMilo Skupin-AlfaLuis Brandner39.224×400mリレーKlaudio GjetjaAndrea RomaniAlessandro SibilioEdoardo ScottiLorenzo Benati(heats)3:04.05WJL,AJRElija GodwinNicholas RameyJustin RobinsonHoward FieldsMatthew BolingUmajesty Williams3:05.24Alex Haydock-WilsonJoe BrierAlastair ChalmersAlex Knibbs3:05.6410,000m競歩Zhang Yao40:32.06PBDavid Hurtado40:32.06PBJosé Ortiz 40:45.26PB走高跳Adónios Mérlos PBRoberto Vílches2.23受賞なしJuVaughn Harrison PBBreyton Poole2.23棒高跳アルマンド・デュプランティス5.82CRZach Bradford5.55PB江島雅紀5.55走幅跳橋岡優輝8.03Maikel Vidal7.99Wayne Pinnock7.90三段跳Jordan Díaz17.15CRMartin Lamou16.44Jonathan Seremes16.18PB砲丸投（6kg）Kyle Blignaut22.07WJLAdrian Piperi22.06AJROdisséas Mouzenídis21.07NJR円盤投（1.750kg）Kai Chang62.36PBYauheni Bahutski61.75Claudio Romero60.81SBハンマー投（6kg）Jake Norris80.65NJRMykhaylo Kokhan79.68PBMyjailo Havryliuk77.71PBやり投Nash Lowis75.31PBTzuriel Pedigo73.76PBMaurice Voigt73.44PB十種競技（ジュニア）Ashley Moloney8190CR,AJR,WJLGary Haasbroek7798PBSimon Ehammer7642PB

 女子 
100mBriana Williams11.16トワニシャ・テリー11.19Kristal Awuah11.37200mBriana Williams22.50CRLauren Rain Williams23.09Martyna Kotwiła23.21NJR400mHima Das51.46Andrea Miklós52.07PBTaylor Manson52.28800mDiribe Welteji1:59.74CR,WJLCarly Thomas2;01.13PBDelia Sclabas2:01.29NJR1500mAlemaz Samuel4:09.67Miriam Cherop4:10.73Delia Sclabas4:11.983000m田中希実8:54.01PBMeselu Berhe8:56.39PBTsigie Gebreselama8:59.20PB5000mBeatrice Chebet15:30.77PBEjgayehu Taye15:30.87PBGirmawit Gebrzihair15:34.01PB100mハードルTia Jones13.01Britany Anderson13.01PBCortney Jones13.19400mハードルZenéy van der Walt55.34Shiann Salmon56.11Yasmin Giger56.983000mSCCelliphine Chespol9:12.79CRPeruth Chemutai9:18.87Winfred Yavi9:23.474×100mリレーVictoria DönickeCorinna SchwabSophia JunkDenise Uphoff43.82Molly ScottGina Akpe-MosesCiara NevillePatience Jumbo Gula43.90NJRKristal AwuahAlisha ReesGeorgina AdamEbony Carr44.054×400mリレーSymone MasonShae AndersonJulia MadubuikeTaylor Manson3:28.74WJLElla ConnollyCara JardineJemima RussellCarley Thomas3:31.36SBJanielle JosephsStacey-Ann WilliamsShiann SalmonCalisha Taylor3:31.90SB10,000m競歩Alegna González44:13.88WJLMeryem Bekmez44:17.69NJRGlenda Morejón44:19.40AJR走高跳Karyna Demidik1.92NJRSommer Lecky1.90NJRMaría Fernanda Murillo1.90AJR棒高跳Amálie Švábíková4.51NJRLisa Gunnarsson4.35Alice Moindrot4.35走幅跳Lea-Jasmin Riecke6.51PB高良彩花6.37Tara Davis-Woodhall6.36三段跳Aleksandra Nacheva14.18WJL,PBMirieli Santos13.81PBDavisleydi Velazco13.78砲丸投Maddi Wesche17.09PBZhang Linru17.05Jorinde van Klinken17.05円盤投Alexandra Emilianov57.89Helena Leveelahti56.80NJRSilinda Morales55.37PBハンマー投Camryn Rogers64.90Alyssa Wilson64.45Yanitza Martínez63.82やり投Alina Shukh55.95桑添友花55.66Dana Baker55.04PB七種競技Niamh Emerson6253WJLSarah Lagger6225NJRAdrianna Sułek5939NJR