Afro-Trinidadian Surnames:
- Williams
- Lewis
- James
- Charles
- Henry
- Clarke
- Edwards
- Mohammed (derived from Muslim influence)
Indo-Trinidadian Surnames:
- Singh
- Mohammed
- Ali
- Khan
- Ali
- Hosein
- Maharaj
- Ramnarine
- Ramphal
European Surnames (British, French, Spanish influence):
- Smith
- Johnson
- Taylor
- Patel
- Lee
- Jones
- Thompson
- De Leon
- Gomez
Chinese Surnames:
- Chang
- Lee
- Wong
- Chin
- Chow
Syrian/Lebanese Surnames:
- Elias
- Habib
- Abraham
- George
Portuguese Surnames:
- DeSousa
- DaSilva
- DeFreitas
- Gomes
Additionally, some surnames in Trinidad and Tobago may come from other Caribbean islands or countries due to the movement of people within the region.