| 11 (from 6 countries)|
| Olimpia (1st title)|
| 17 February – 29 August|
The 1999 Copa Interclubes UNCAF was the first edition of the Central American Club Championship under this format and name; and the 17th overall.
Luis Angel Firpo
Walter Ferretti1999 Copa Interclubes UNCAF Wikipedia
Forfeit: Luis Angel Firpo did not show
Notes:Walter Ferretti withdrew for financial reasons. The results of Walter Ferretti's games have been voided and do not count towards the group rankings.
Olimpia 1999 Copa Interclubes UNCAF champions
Olimpia, Alajuelense, and Saprissa qualify to 1999 CONCACAF Champions' Cup