| Juan Rios | |
| Position: | Second baseman/Shortstop |
| Birth Date: | June 14, 1942 |
| Birth Place: | Mayagüez, Puerto Rico |
| Death Place: | Mayagüez, Puerto Rico |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | April 9 |
| Debutyear: | 1969 |
| Debutteam: | Kansas City Royals |
| Finalleague: | MLB |
| Finaldate: | October 2 |
| Finalyear: | 1969 |
| Finalteam: | Kansas City Royals |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .224 |
| Stat2label: | Hits |
| Stat2value: | 44 |
| Stat3label: | Games played |
| Stat3value: | 87 |
| Teams: | |
Juan Onofre Vélez Ríos (June 14, 1942 – August 28, 1995) was a Major League Baseball shortstop/second baseman who played for one season. Originally signed by the New York Mets, Rios played for the Kansas City Royals for 87 games during the inaugural 1969 Kansas City Royals season.