14th Yamaha Thailand Cup

1998 saw the 14th edition of the Yamaha Thailand Cup.

It was Thailand's main inter-provincial competition, played between qualifiers from various regions.

The first round saw four groups of four teams, of which the top two sides qualified for the Quarter-Final knockout stage.

Bangkok Metropolitan Administration FC beat Nakhon Si Thammarat FC in the final.

Group A

 * Bangkok Metropolitan Administration FC
 * Phatthalung
 * Amnat Charoen
 * Pathum Tani

Results

Bangkok Metropolitan Administration FC and Amnat Charoen advance to Quarter-Final stage.

Group B

 * Phetchaburi
 * Pichit
 * Nakhon Sri Thammarat FC
 * Ubon Ratchathani

Results

Nakhon Si Thammarat FC and Phetchaburi advanced to the next round

Group C

 * Ayutthaya
 * Si Saket FC
 * Phitsanulok FC
 * Sa Kaeo

Results

Ayutthaya and Phitsanulok FC advanced to the next round

Group D

 * Tak
 * Lopburi FC
 * Samut Songkhram FC
 * Ranong