Week 1 - March 7, 2018
| 2018 NJCAA DIII Baseball Poll - Week 1 | |||||
| Rank | Team | Record | Points | 1st Place Votes | Prev. Rank |
| 1 | RCSJ-Cumberland (NJ) | 7-1 | 68 | 6 | 3 |
| 2 | Niagara County (NY) | 0-0 | 49 | 0 | 2 |
| 3 | Northampton (PA) | 0-0 | 42 | 0 | 4 |
| 4 | Century (MN) | 1-1 | 39 | 0 | 5 |
| 5 | Tyler (TX) | 9-12 | 38 | 1 | 1 |
| 6 | Brookhaven (TX) | 8-5 | 28 | 0 | 8 |
| 7 | St. Cloud Tech (MN) | 0-0 | 26 | 0 | 6 |
| 8 | RCSJ-Gloucester (NJ) | 0-0 | 23 | 0 | 7 |
| 9 | Coastal Bend (TX) | 15-9 | 19 | 0 | N/A |
| 10 | Delta College (MI) | 3-1 | 17 | 0 | 9 |
Receiving Votes: Rock Valley (IL), Northern Essex (MA), Eastfield (TX), Prince George's Community College (MD)