| Minorplanet: | yes |
| 2984 Chaucer | |
| Background: |
|
| Discovery Ref: |   |
| Discovered: | 30 December 1981 |
| Mpc Name: | (2984) Chaucer |
| Alt Names: | 1981 YD1963 FB 1971 FZ 1971 JA |
| Orbit Ref: |   |
| Epoch: | 4 September 2017 (JD 2458000.5) |
| Uncertainty: | 0 |
| Observation Arc: | 63.53 yr (23,204 days) |
| Perihelion: | 2.1380 AU |
| Semimajor: | 2.4702 AU |
| Eccentricity: | 0.1345 |
| Period: | 3.88 yr (1,418 days) |
| Mean Motion: | / day |
| Inclination: | 3.0533° |
| Asc Node: | 81.815° |
| Arg Peri: | 46.551° |
| Dimensions: | 27.2 km |
| Albedo: | 0.10 |
| Abs Magnitude: | 13.1 |
| Single Temperature: | ~ 177 K |
2984 Chaucer, provisionally designated, is a main-belt asteroid, which was discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station in Flagstaff, Arizona, on 30 December 1981.
It is named after Geoffrey Chaucer (1343–1400), the medieval English poet.