English UsageComparison guide
Traveler vs. Traveller
“Traveler” and “traveller” are regional spellings of the same noun. Cambridge labels “traveler” as the US spelling and “traveller” as the UK spelling.
Use “traveler” in US English and “traveller” in UK English, unless a house style says otherwise.
Key details
Confusion Familyregional spelling variant
Rule Familyregional-orthography
TermsTraveler, Traveller
Further guidance
Core difference
The words have the same meaning; “traveler” is the standard US spelling and “traveller” the standard UK spelling.
Usage Boundary
Choose the spelling that matches the regional variety or house style of the document and keep that convention consistent.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Traveler — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Dictionary evidence that “traveler” is the US spelling of “traveller.”