Vehicle registration plates of Puerto Rico
The U.S. commonwealth of Puerto Rico first required its residents to register their motor vehicles and display license plates in 1906.
Passenger baseplates 1930 to present
In 1956, the United States, Canada, and Mexico came to an agreement with the American Association of Motor Vehicle Administrators, the Automobile Manufacturers Association and the National Safety Council that standardized the size for license plates for vehicles at in height by in width, with standardized mounting holes. The 1955 issue was the first Puerto Rico license plate that complied with these standards.| Image | Dates issued | Design | Slogan | Serial format | Serials issued | Notes |
| 1930 | ||||||
| 1939 | ||||||
| 1950 | ||||||
| 1951 | ||||||
| 1952 | ||||||
| 1953 | ||||||
| 1954 | ||||||
| 1955 | ||||||
| 1956 | ||||||
| 1957 | ||||||
| 1958 | ||||||
| 1967 | ||||||
| 1970 | ||||||
| 1976 | black on reflective blue | |||||
| 1986 | black on reflective white with fort graphic | Isla del Encanto | ABC 123 | AAA 001 to FCX 999; FLM 501 to HEN 999 | ||
| 2001 | black on flag graphics | Cincuentenario | ABC 123 | FCY 001 to FLM 500 | ||
| 2008 | black on reflective fort graphic | Isla del Encanto | ABC 123 | HEO 001 to HRR 999; IEJ 001 to JLO 999 | Serials are surface-printed rather than embossed. | |
| 2009–2012 | black on reflective white with green stripes on top and orange stripes on bottom and Mayagüez 2010 logo in the center | Isla del Encanto Mayaguez 2010 | ABC 123 | HRS 001 to HVZ 999 | ||
| 2012–2013 | a picture of the Puerto Rico Governor's mansion | Puerto Rico does it better Puerto Rico lo hace mejor | ABC 123 | HWA 001 to IEI 999 IQA 001 to IQA 999 |