Luiggy Llanos Cruz (born August 22, 1978 in Río Piedras, Puerto Rico) is a male decathlete from Puerto Rico.
He set his personal best (7704 points) at the 2003 Pan American Games in Santo Domingo, Dominican Republic, where he claimed the silver medal.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1994 | Central American and Caribbean Junior Championships (U-17) | Port of Spain, Trinidad and Tobago | 3rd | 400 m | 49.5 | |
| 2001 | Götzis, Austria | 14th | Decathlon | 7613 pts | ||
| Central American and Caribbean Championships | Guatemala City, Guatemala | 2nd | Decathlon | 7272 pts A | ||
| Summer Universiade | Beijing, PR China | 11th | Decathlon | 7377 pts | ||
| 2002 | Central American and Caribbean Games | San Salvador, El Salvador | 8th | Javelin | 61.32 m | |
| 2003 | Santo Domingo, Dominican Republic | 2nd | Decathlon | 7704 pts NR | ||
| 2004 | Athens, Greece | — | Decathlon | DNF | ||