Similar spellings:
* Tobey (often used as a surname)
* Tobie (a less common, but still valid spelling)
Unusual spellings:
* Toby's (adding an apostrophe s can be a stylistic choice, but not typically used as a name)
* Tobee (a less common, but still valid spelling)
Foreign spellings:
* Tobias (German, Latin, and Hebrew)
* Tobías (Spanish)
* Tobia (Italian)
It's worth noting that most people will recognize "Toby" as the standard spelling. If you choose a different spelling, be prepared to explain it!