Week 3 - March 20, 2018
| 2018 NJCAA DIII Baseball Poll - Week 3 | |||||
| Rank | Team | Record | Points | 1st Place Votes | Prev. Rank |
| 1 | RCSJ-Cumberland (NJ) | 15-3 | 65 | 5 | 1 |
| 2 | Coastal Bend (TX) | 24-9 | 59 | 1 | 4 |
| 3 | Brookhaven (TX) | 16-5 | 56 | 1 | 2 |
| 4 | RCSJ-Gloucester (NJ) | 11-1 | 44 | 0 | 3 |
| 5 | Bergen (NJ) | 8-1 | 31 | 0 | N/A |
| 6 | Tyler (TX) | 15-14 | 25 | 0 | 9 |
| 7 | Rockingham (NC) | 8-1 | 22 | 0 | N/A |
| 8 | Niagara County (NY) | 5-2 | 19 | 0 | 5 |
| 9 | Waubonsee (IL) | 9-2 | 16 | 0 | 0 |
| 10 | Northampton (PA) | 6-4 | 13 | 0 | 7 |
Receiving Votes: Queensborough (NY), Itasca (MN), Erie (NY), Eastfield (TX), Oakton (IL), Century (MN)