VM i svømming 1986. Det femte verdensmesterskapet i svømming ble arrangert i Madrid i perioden 13. til 23. august 1986.
==Menn== 50 m fri Tom Jager 22,49 Dano Halsall 22,80 Matt Biondi 22,85100 m friMatt Biondi 48,94Stéphane Caron 49,73Tom Jager 49,79200 m friMichael Groß 1.47,92Sven Lodziewski 1.49,12Matt Biondi 1.49,43400 m friRainer Henkel 3.50,05Uwe Daßler 3.51,26Daniel Jorgensen 3.51,331500 m friRainer Henkel 15.05,31Stefano Battistelli 15.14,80Daniel Jorgensen 15.16,23100 m butterflyPablo Morales 53,54Matt Biondi 53,67Andrew Jameson 53,81200 m butterflyMichael Groß 1.56,53Anthony Mosse 1.58,36Benny Nielsen 1.59,09100 m ryggIgor Poljanskij 55,58 Dirk Richter 56,49Sergej Zaboltnov 56,57200 m ryggIgor Poljanskij 1.58,78 Frank Baltrusch 2.01,11Frank Hoffmeister 2.02,42100 m brystVictor Davis 1.02,71Gianni Minervini 1.03,00Dmitrij Volkov 1.03,30200 m brystJózsef Szabó 2.14,27Victor Davis 2.14,93Steven Bentley 2.16,51200 m medleyTamás Darnyi 2.01,57Alex Baumann 2.02,34Vadim Jarosjtsjuk 2.02,61400 m medleyTamás Darnyi 4.18,98Vadim Jarosjtsjuk 4.22,03Alex Baumann 4.22,584 x 100 m friTom JagerMichael HeathPaul WalaceMatt Biondi 3.19,89Gennadij PrigodaNikolaj JevsejenSergej SmiriaguinbeAleksis Markovskij 3.21,14Dirk RichterJörg WoitheSven LodziewskiSteffen Zesner 3.21,474 x 200 m friLars HinnenburgThomas FlemmingDirk RichterSven Lodziewski 7.15,91Rainer HenkelMichael GroßAlexande SchowtkaThomas Fahrner 7.15,96Eric BoyerMichael HeathDaniel JorgensenMatt Biondi 7.18,294 x 100 m medleyDaniel VeatchDavid LundbergPablo MoralesMatt Biondi 3.41,25Frank HoffmeisterBert GöbelMichael GroßAndre Schadt 3.42,26Igor PoljanskijDmitrij VolkovAleksej MarkovskijNikolaj Jevsejev 3.42,63
Kvinner 50 m fri Tamara Costache 25,28VR Kristin Otto 25,50 Marie-Thérèse Armentero 25,93100 m fri Kristin Otto 55,05 Jenna Johnson 55,70 Conny van Bentun 55,79200 m fri Heike Friedrich 1.58,26 Manuela Stellmach 1.58,90 Mary T. Meagher 2.00,14400 m fri Heike Friedrich 4.07,45 Astrid Strauß 4.09,16 Sarah Hardcastle 4.09,85800 m fri Astrid Strauß 8.28,24 Katja Hartmann 8.28,44 Deborah Babashoff 8.34,04100 m butterflyKornelia Greßler 59,51Kristin Otto 59,66Mary T. Meagher 59,98200 m butterflyMary T. Meagher 2.08,41Kornelia Greßler 2.10,66Birte Weigang 2.10,68100 m ryggBetsy Mitchell 1.01,74Kathrin Zimmermann 1.02,17Natalja Sjibajeva 1.02,25200 m ryggCornelia Sirch 2.11,37Betsy Mitchell 2.11,39Kathrin Zimmermann 2.11,45100 m brystSylvia Gerasch 1.08,11VRSilke Hörner 1.08,41Tanja Bogomilova 1.08,52200 m brystSilke Hörner 2.27,40VRTanja Bogomilova 2.27,66Allison Higson 2.31,34200 m medleyKristin Otto 2.15,56Jelena Dendeberova 2.15,84Kathleen Nord 2.16,05400 m medleyKathleen Nord 4.43,75Michele Griglione 4.44,07Noemi Lung 4.45,444 x 100 m friKristin OttoManuela StellmachSabina SchulzeHeike Friedrich 3.40,57VRJenna JohnsonDara TorresMary T. MeagherBetsy Mitchell 3.44,03Conny van BentumLaura LeideritzKarin BrienesseAnnemarie Verstappen 3.46,894 x 200 m friManuela StellmachAstrid StraußNadja Bergnecht* Heike Friedrich 7.59,33VRBetsy MitchellMary T. MeagherKimberley BrownMary Waythe 8.02,12Annemarie VerstappenJohan van Der MeerMildred MuisConny van Bentum 8.09,594 x 100 m medleyKathrin ZimmermannSylvia GeraschKornelia GreßlerKristin Otto 4.04,82Betsy MitchellJennifer HauMary T. MeagherJenna Johnson 4.07,45Jolanda de RoverPetra van StaverenConny van BentumAnnemarie Verstappen 4.10,70
Medaljeoversikt Plass Nasjon Totalt 1 14 12 4 30 2 9 10 13 32 3 4 2 2 8 4 4 2 1 7 5 3 0 0 3 6 2 4 1 7 7 2 3 7 12 8 1 0 1 2 9 1 0 0 1 1 0 0 1 11 0 3 0 3 12 0 1 4 5 13 0 1 1 2 0 1 1 2 0 1 1 2 16 0 1 0 1 17 0 0 2 2 0 0 2 2 19 0 0 1 1 Totalt 41 41 41123