The men's decathlon event at the 1994 World Junior Championships in Athletics was held in Lisbon, Portugal, at Estádio Universitário de Lisboa on 20 and 21 July. Senior implements (106.7 cm (3'6) hurdles, 7257g shot, 2 kg discus) were used.
| Gold | Benjamin Jensen | |
| Silver | Klaus Isekenmeier | |
| Bronze | Glenn Lindqvist |
20/21 July
| Rank | Name | Nationality | 100m | LJ | SP | HJ | 400m | 110m H | DT | PV | JT | 1500m | Points | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| align=left | align=left | | 11.17 (w: 0.1 m/s) | 7.27 | 12.23 | 2.00 | 49.32 | 14.40 (w: 2.0 m/s) | 34.18 | 5.10 | 53.60 | 4:44.54 | 7676 | ||||
| align=left | align=left | 11.53 (w: 0.1 m/s) | 7.16 | 13.75 | 1.94 | 50.93 | 15.02 (w: 2.0 m/s) | 37.94 | 4.20 | 51.92 | 4:35.92 | 7298 | |||||
| align=left | align=left | | 11.54 (w: 0.2 m/s) | 6.78 | 12.30 | 1.85 | 50.64 | 15.32 (w: 0.7 m/s) | 40.62 | 4.60 | 56.82 | 4:31.60 | 7288 | ||||
| 4 | align=left | align=left | 11.38 (w: 0.9 m/s) | 7.02 | 12.44 | 2.06 | 51.76 | 15.05 (w: 2.0 m/s) | 33.84 | 4.50 | 48.92 | 4:38.79 | 7228 | ||||
| 5 | align=left | align=left |  | 11.46 (w: 0.7 m/s) | 6.89 | 12.43 | 1.94 | 51.03 | 15.93 (w: 0.8 m/s) | 35.34 | 4.40 | 58.44 | 4:41.64 | 7125 | |||
| 6 | align=left | align=left |  | 11.14 (w: 0.9 m/s) | 7.09 | 11.78 | 1.88 | 50.68 | 15.82 (w: 0.7 m/s) | 38.28 | 4.30 | 50.24 | 4:39.79 | 7097 | |||
| 7 | align=left | align=left |  | 11.32 (w: 0.7 m/s) | 6.71 | 11.08 | 1.85 | 51.69 | 14.85 (w: 0.7 m/s) | 42.12 | 4.00 | 49.22 | 4:30.42 | 7008 | |||
| 8 | align=left | align=left |  | 11.16 (w: 0.1 m/s) | 7.22 | 11.70 | 1.91 | 52.46 | 16.17 (w: 2.0 m/s) | 38.68 | 4.30 | 50.62 | 4:50.81 | 6973 | |||
| 9 | align=left | align=left |  | 11.38 (w: 0.9 m/s) | 6.84 | 11.81 | 1.94 | 50.47 | 15.79 (w: 0.4 m/s) | 33.10 | 4.30 | 51.28 | 4:40.09 | 6964 | |||
| 10 | align=left | align=left |  | 11.68 (w: 0.9 m/s) | 6.49 | 12.95 | 1.91 | 51.11 | 16.11 (w: 0.7 m/s) | 35.76 | 4.30 | 52.34 | 4:29.22 | 6935 | |||
| 11 | align=left | align=left |  | 11.52 (w: 0.9 m/s) | 6.92 | 12.98 | 2.03 | 52.52 | 15.45 (w: 0.7 m/s) | 36.50 | 3.90 | 56.86 | 5:24.28 | 6841 | |||
| 12 | align=left | align=left |  | 11.57 (w: 0.7 m/s) | 6.61 | 12.43 | 1.88 | 51.09 | 15.96 (w: 0.8 m/s) | 36.50 | 4.30 | 45.86 | 4:40.41 | 6794 | |||
| 13 | align=left | align=left | | 11.42 (w: 0.2 m/s) | 6.36 | 11.29 | 1.88 | 49.94 | 15.68 (w: 0.8 m/s) | 30.96 | 4.20 | 46.78 | 4:27.88 | 6736 | |||
| 14 | align=left | align=left | | 11.00 (w: 0.7 m/s) | 6.44 | 11.38 | 1.88 | 51.33 | 15.53 (w: 0.7 m/s) | 40.26 | 3.80 | 39.36 | 4:47.55 | 6650 | |||
| 15 | align=left | align=left |  | 10.99 (w: 0.2 m/s) | 6.63 | 9.12 | 1.82 | 51.07 | 15.44 (w: 0.4 m/s) | 28.26 | 4.80 | 38.60 | 4:45.55 | 6577 | |||
| 16 | align=left | align=left |  | 11.44 (w: 0.2 m/s) | 7.36 | 9.35 | 1.94 | 52.68 | 16.04 (w: 0.4 m/s) | 25.52 | 4.60 | 39.08 | 4:49.65 | 6501 | |||
| 17 | align=left | align=left | 11.52 (w: 0.2 m/s) | 6.54 | 10.48 | 1.85 | 50.79 | 16.07 (w: 0.4 m/s) | 32.32 | 4.00 | 44.80 | 4:48.91 | 6408 | ||||
| 18 | align=left | align=left |  | 11.38 (w: 0.1 m/s) | 6.81 | 11.34 | 1.85 | 52.56 | 15.23 (w: 0.8 m/s) | 32.60 | 3.20 | 49.64 | 5:15.02 | 6286 | |||
| 19 | align=left | align=left | 11.52 (w: 0.2 m/s) | 7.02 | 13.30 | 1.85 | 51.04 | DQ | 40.52 | 4.20 | 51.58 | 4:57.76 | 6222 | ||||
| align=left | align=left |  | 11.41 (w: 0.9 m/s) | 6.76 | 13.16 | 1.85 | 51.73 | 15.93 (w: 0.4 m/s) | 39.98 | DNF | 43.00 | DNS | DNF | ||||
| align=left | align=left | 10.68 (w: 0.1 m/s) | 7.10 | 13.18 | 1.97 | 50.71 | 14.91 (w: 2.0 m/s) | 38.60 | DNF | DNS | DNS | DNF | |||||
| align=left | align=left | 11.00 (w: 0.7 m/s) | 6.98 | 11.16 | 1.85 | 49.08 | 15.40 (w: 0.8 m/s) | 33.60 | DNS | DNS | DNS | DNF | |||||
| align=left | align=left |  | 11.52 (w: 0.9 m/s) | 6.79 | 14.37 | 1.88 | 52.31 | 15.45 (w: 0.4 m/s) | 33.12 | DNF | DNS | DNS | DNF | ||||
| align=left | align=left |  | 11.52 (w: 0.7 m/s) | 7.18 | 11.48 | 1.88 | 51.11 | 16.53 (w: 0.8 m/s) | NM | 4.20 | DNS | DNS | DNF | ||||
| align=left | align=left | 11.34 (w: 0.2 m/s) | 7.00 | 10.91 | 1.88 | 53.23 | 15.52 (w: 0.4 m/s) | DNS | DNS | DNS | DNS | DNF | |||||
| align=left | align=left | | 11.24 (w: 0.7 m/s) | 5.93 | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNF | ||||
| align=left | align=left |  | 12.51 (w: 0.1 m/s) | NM | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNF | ||||
| align=left | align=left | | DNF (w: 0.1 m/s) | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNS | DNF |
According to an unofficial count, 28 athletes from 23 countries participated in the event.