2018 Vietnamese National Football Third League

The 2018 Vietnamese National Football Third League was the 14th season of the Vietnamese National Football Third League. The season began on 22 October 2018 and finished on 31 October 2018.

Rule
In this season, there are 8 teams divided geographically to 2 groups with 4 teams per group. The winner of each group and the best runner-up of both group promoted to Second League. The teams play each other once in a centralised venue.

Team changes
The following teams have changed division since the 2017 season.

To Vietnamese Third League
Relegated from Vietnamese Second League New entrants
 * Sanatech Khánh Hòa (withdrew)
 * Bắc Ninh UPES
 * Hà Nội C
 * Hà Nội Phù Đổng
 * PVF
 * Bình Điền
 * Hoàng Sang TP.HCM
 * SHB Đà Nẵng B

From Vietnamese Third League
Promoted to Vietnamese Second League Withdrew
 * Bà Rịa Vũng Tàu
 * Nam Định B
 * Vĩnh Long
 * Quảng Ngãi
 * Sanatech Khánh Hòa
 * Công An Nhân Dân B
 * Kiên Giang

Group A
Matches played in Bắc Ninh and Hà Nội.

Group B
All matches played in Hồ Chí Minh City.