2017–18 Nemzeti Bajnokság I (men's handball)

The 2017–18 Nemzeti Bajnokság I (known as the K&H férfi kézilabda liga for sponsorship reasons) is the 67th season of the Nemzeti Bajnokság I, Hungarian premier Handball league.

Teams
As in the previous season, 14 teams played in the 2017–18 season. After the 2016–17 season, Balmazújvárosi KK and Mezőkövesdi KC were relegated to the 2017–18 Nemzeti Bajnokság I/B. They were replaced by two clubs from the 2016–17 Nemzeti Bajnokság I/B, Ferencvárosi TC and Dabas KK.

Personnel and kits
Following is the list of clubs competing in 2017–18 Nemzeti Bajnokság I, with their president, head coach, kit manufacturer and shirt sponsor.

Schedule and results
In the table below the home teams are listed on the left and the away teams along the top.

Finals

 * Game 1


 * Game 2

MOL-Pick Szeged won the Finals, 58–57 on aggregate.

Attendances
Updated to games played on 7 May 2018. Source: League matches: NB I 2017/2018

Attendance numbers without playoff matches.

 1: Team played last season in Nemzeti Bajnokság I/B.
 * Notes: