| Competition: | Norgesserien |
| Season: | 1947–48 |
| Winners: | Freidig 1st title |
| Relegated: | 58 teams |
| Prevseason: | 1939–40 |
| Nextseason: | Hovedserien 1948–49 |
The 1947–48 Norgesserien was the 4th completed season of top division football in Norway.
Due to restructuring of the league system, 58 of the 74 teams were relegated at the end of the season.
SK Freidig won the championship after a 2–1 win against IL Sparta in the championship final.
| Team 1 | Team 2 | 1st leg | 2nd leg | ||
|---|---|---|---|---|---|
| Vålerengens IF | 2–4 | Mjøndalen IF | 0–2 | 2–2 | |
| Storm | 4–1 | Ørn | 2–1 | 2–0 | |
| Viking FK | 6–3 | FK Donn | 2–1 | 4–2 |
| Team 1 | Team 2 | 1st leg | 2nd leg | Replay | ||
|---|---|---|---|---|---|---|
| Mjøndalen IF | 1–0 | Storms BK | 0–0 | 1–0 | ||
| Kapp IL | 4–7 | IL Sparta | 2–3 | 2–4 | ||
| Viking FK | 5–0 | SK Brann | 2–0 | 3–0 | ||
| SK Freidig | 5–5 | Kristiansund FK | 4–1 | 1–4 | Freidig won on |
| Team 1 | Score | Team 2 | Replay | |
|---|---|---|---|---|
| IL Sparta | 2–0 | Mjøndalen IF | ||
| Viking FK | 2–2 | SK Freidig | 1–2 |
| Team 1 | Score | Team 2 | |
|---|---|---|---|
| SK Freidig | 2–1 | IL Sparta |
| Team 1 | Team 2 | 1st leg | 2nd leg | ||
|---|---|---|---|---|---|
| IF Birkebeineren | 2–3 | Sandaker SFK | 2–1 | 0–2 |