| Tourney Name: | UNCAF Interclub Cup |
| Year: | 1999 |
| Dates: | 17 February – 29 August |
| Num Teams: | 11 |
| Associations: | 6 |
| Champion Other: | Olimpia |
| Count: | 2 |
| Second Other: | Alajuelense |
| Third Other: | Saprissa |
| Fourth Other: | Comunicaciones |
| Matches: | 46 |
| Goals: | 125 |
| Prevseason: | 1998 |
| Nextseason: | 2000 |
The 1999 UNCAF Interclub Cup was the 17th edition of the Central American Club Championship, and the first under the name UNCAF Interclub Cup. The tournament was organized by UNCAF, the football regional body in Central America.
Honduran club Olimpia defeated Costa Rican sides Alajuelense and Saprissa (defending champions) and Guatemalan Comunicaciones in the final round to win their second tournament in team's history. The first three ranked earned the right to play at the 1999 CONCACAF Champions' Cup.
For the first time in competition history, Belizean and Nicaraguan clubs entered the tournament.
| Association | Team | Qualifying method | Previous best | ||
|---|---|---|---|---|---|
| 1997–98 Champions | 1st | — | |||
| 1998 Runners-up | 1st | — | |||
| 1997–98 Champions | 13th | Champions (1972, 1973, 1978, 1998) | |||
| 1997–98 Runners-up | 5th | Champions (1996) | |||
| 1997–98 Champions | 1st | — | |||
| 1997–98 Runners-up | 6th | 3rd (1980) | |||
| 1997–98 Champions | 16th | Champions (1971, 1983) | |||
| 1997–98 Runners-up | 11th | Champions (1976, 1979) | |||
| 1997–98 Champions | 4th | Group stage (1979, 1997, 1998) | |||
| 1997–98 Runners-up | 5th | Champions (1981) | |||
| 1997–98 Champions | 1st | — |
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Notes:
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Olimpia, Alajuelense, and Saprissa qualify to 1999 CONCACAF Champions' Cup