Øvelsen 800 meter menn ved VM i friidrett 1983 ble avholdt i Helsingfors, Finland med finale den 9. august. Det deltok 60 utøvere i øvelsen.
Rekorder Gjeldende rekorder før øvelsen. Verdensrekord1.41,73Firenze, Italia10. juni 1981MesterskapsrekordFørste mesterskap
Finale PlassFinaleTid1:43.651:44.20 Joaquim Cruz, Brasil1:44.274.1:44.875.1:45.126. Agberto Guimarães, Brasil1:45.467.1:45.748.1:46.56
Semifinaler Avholdt mandag den 8. august 1983 PlassHeat 1Tid1. Joaquim Cruz, Brasil1:45.622.1:46.163.1:46.364.1:46.835.1:47.106.1:48.737.1:49.64—DNS
PlassHeat 2Tid1.1:46.212. Agberto Guimarães, Brasil1:46.373.1:46.394.1:46.395.1:46.856.1:47.487.1:48.928.1:50.23
PlassHeat 3Tid1.1:45.242.1:45.303.1:45.384.1:45.555.1:45.706.1:47.827. José Luíz Barbosa, Brasil1:48.058.1:49.39
Forsøksheat Avholdt søndag den 7. august 1983 PlassHeat 1Tid1.1:46.322.1:46.443.1:46.574.1:47.985.1:48.696.1:51.397.1:52.848.1:59.90
PlassHeat 2Tid1.1:47.452. José Luíz Barbosa, Brasil1:47.473.1:47.494.1:48.155.1:48.336.1:49.537.1:50.68
PlassHeat 3Tid1.1:46.552.1:46.623.1:46.764.1:47.545.1:47.626.1:48.237.1:55.048.1:55.12
PlassHeat 4Tid1.1:49.202.1:49.353.1:49.674.1:49.725.1:49.92—DNS—DNS
PlassHeat 5Tid1. Agberto Guimarães, Brasil1:48.302.1:48.403.1:48.404.1:49.435.1:50.926.1:52.497.1:55.67
PlassHeat 6Tid1.1:45.842.1:46.393.1:46.534.1:46.785.1:47.106.1:48.407.1:50.708.1:58.47
PlassHeat 7Tid1.1:46.122. Joaquim Cruz, Brasil1:46.123.1:47.224.1:47.305.1:47.766.1:49.197.1:52.30
PlassHeat 8Tid1.1:48.342.1:48.443.1:48.694.1:49.025.1:49.096.1:50.717.1:55.778. Clive Williams, Belize2:03.64
Eksterne lenker Resultater
800 h Kategori:800 meter under VM i friidrett