| Team: | Rhein Fire (NFL Europe) |
| Teamdisplay: | Rhein Fire |
| Year: | 1998 |
| Record: | 7–3 |
| Division Place: | 2nd |
| Coach: | Galen Hall |
| General Manager: | Alexander Leibkind |
| Stadium: | Rheinstadion |
| Playoffs: | World Bowl '98 champion |
| Previous: | 1997 |
| Next: | 1999 |
| Shortnavlink: | Rhein Fire |
The 1998 Rhein Fire season was the fourth season for the franchise in the NFL Europe League (NFLEL). The team was led by head coach Galen Hall in his fourth year, and played its home games at Rheinstadion in Düsseldorf, Germany. They finished the regular season in second place with a record of seven wins and three losses. Rhein won the first championship in team history by defeating the Frankfurt Galaxy 34–10 in World Bowl '98.
| Week | Date | Kickoff | Opponent | Results | Game site | Attendance | ||
|---|---|---|---|---|---|---|---|---|
| Final score | Team record | |||||||
| 1 | Saturday, April 4 | 7:00 p.m. | Amsterdam Admirals | W 16–13 | 1–0 | Rheinstadion | 22,102 | |
| 2 | Saturday, April 11 | 7:00 p.m. | at England Monarchs | W 31–7 | 2–0 | Ashton Gate Stadium | 5,523 | |
| 3 | Sunday, April 19 | 3:00 p.m. | at Scottish Claymores | W 20–10 | 3–0 | Murrayfield Stadium | 8,452 | |
| 4 | Saturday, April 25 | 7:00 p.m. | Barcelona Dragons | W 13–9 | 4–0 | Rheinstadion | 22,249 | |
| 5 | Saturday, May 2 | 7:00 p.m. | at Frankfurt Galaxy | W 31–14 | 5–0 | Waldstadion | 41,123 | |
| 6 | Saturday, May 9 | 7:00 p.m. | Scottish Claymores | W 17–10 | 6–0 | Rheinstadion | 20,480 | |
| 7 | Saturday, May 16 | 7:00 p.m. | at Barcelona Dragons | L 24–31 | 6–1 | Estadi Olímpic de Montjuïc | 7,900 | |
| 8 | Saturday, May 23 | 7:00 p.m. | England Monarchs | W 12–7 | 7–1 | Rheinstadion | 21,288 | |
| 9 | Saturday, May 30 | 7:00 p.m. | at Amsterdam Admirals | L 17–21 | 7–2 | Amsterdam ArenA | 17,588 | |
| 10 | Saturday, June 6 | 7:00 p.m. | Frankfurt Galaxy | L 17–20 | 7–3 | Rheinstadion | 41,212 | |
| World Bowl '98 | ||||||||
| 11 | Sunday, June 14 | 7:00 p.m. | Frankfurt Galaxy | W 34–10 | 8–3 | Waldstadion | 47,846 | |