carlton (1-1) vs essendon (1-1) princess park
blues destroy dons by 82 points. carlton (2-1) play geelong. essendon (1-2) host north.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Carlton | 6.3 | 8.8 | 12.14 | 18.18 | 126 | Sat 16-May-1931 2:45 pm | Princes Park | 20,000 | |
| Essendon | 1.1 | 1.7 | 4.9 | 5.14 | 44 | Carlton won by 82 points | |||
collingwood (2-0) vs south (1-1) victoria park
pies beat swans by 21 points. collingwood (3-0) play richmond. south (1-2) host st kilda.
| Collingwood | 2.1 | 3.3 | 7.8 | 13.16 | 94 | Sat 16-May-1931 2:45 pm | Victoria Park | 15,000 |
| South Melbourne | 3.5 | 6.9 | 7.12 | 10.13 | 73 | Collingwood won by 21 points | ||
melbourne (1-1) vs geelong (1-1) mcg
dees stun cats by 4 points. melbourne (2-1) play hawthorn. geelong (1-2) host carlton.
| Melbourne | 3.3 | 5.5 | 9.11 | 12.15 | 87 | Sat 16-May-1931 2:45 pm | M.C.G. | 19,767 |
| Geelong | 3.2 | 7.8 | 9.12 | 11.17 | 83 | Melbourne won by 4 points | ||
north (0-2) vs fitzroy (0-2) arden st
lions beat roos by 40 points. fitzroy (1-2) host footscray. north (0-3) play essendon.
| North Melbourne | 2.9 | 3.9 | 6.11 | 6.12 | 48 | Sat 16-May-1931 2:45 pm | Arden Street | 7,000 |
| Fitzroy | 1.2 | 9.5 | 10.10 | 12.16 | 88 | Fitzroy won by 40 points | ||
st kilda (1-1) v shawthorn (0-2) junction oval
saints edge hawks by 4 points. st kilda (2-1) play south. hawthorn (0-3) host melbourne.
| St. Kilda | 5.3 | 8.8 | 9.10 | 10.12 | 72 | Sat 16-May-1931 2:45 pm | Junction Oval | 14,000 |
| Hawthorn | 4.2 | 5.4 | 7.8 | 10.8 | 68 | St. Kilda won by 4 points | ||
footscray (2-0) vs richmond (2-0) western oval
tigers smash dogs by 7 goals. richmond (3-0) host collingwood. footscray (2-1) play fitzroy.
| Footscray | 0.0 | 5.4 | 5.7 | 7.10 | 52 | Sat 16-May-1931 2:45 pm | Western Oval | 30,000 |
| Richmond | 1.10 | 4.11 | 10.13 | 13.16 | 94 | Richmond won by 42 points | ||
ladder
| Rd 3 Ladder | |||
| RI | 3 | 12 | 221.0 |
| CW | 3 | 12 | 120.0 |
| CA | 3 | 8 | 146.3 |
| ME | 3 | 8 | 104.7 |
| FO | 3 | 8 | 91.4 |
| SK | 3 | 8 | 79.6 |
| GE | 3 | 4 | 127.0 |
| SM | 3 | 4 | 103.8 |
| FI | 3 | 4 | 95.8 |
| ES | 3 | 4 | 69.1 |
| HW | 3 | 0 | 88.9 |
| NM | 3 | 0 | 38.4 |
round 4 matches
geelong v carlton CO
richmond v collingwood PR
essendon v north WH
fitzroy v footscray BS
hawthorn v melbourne GO
south v st kilda LO