Week 5 - April 3, 2018
| 2018 NJCAA DIII Baseball Poll - Week 5 | |||||
| Rank | Team | Record | Points | 1st Place Votes | Prev. Rank |
| 1 | RCSJ-Cumberland (NJ) | 19-5 | 66 | 3 | 1 |
| 2 | RCSJ-Gloucester (NJ) | 14-3 | 57 | 1 | 2 |
| 3 | Eastfield (TX) | 24-7 | 54 | 1 | 7 |
| 4 | Brookhaven (TX) | 20-7 | 51 | 1 | 3 |
| 5 | Niagara County (NY) | 12-2 | 47 | 1 | 5 |
| 6 | Bergen (NJ) | 13-4 | 37 | 0 | 4 |
| 7 | Itasca (MN) | 13-5 | 20 | 0 | RV |
| 8 | Waubonsee (IL) | 14-6 | 17 | 0 | 8 |
| 9 | Montgomery (MD) | 12-5 | 14 | 0 | N/A |
| 10 | Herkimer (NY) | 9-5 | 9 | 0 | 10 |
Receiving Votes: Northampton (PA), Century (MN), Suffolk County (NY), Rock Valley (IL)