Spelling Variants
Denis vs Dennis: Which Spelling?
Denis and Dennis are spelling variants of the same Latin name Dionysius.
Global Rank #70
Denis
Origin: French
Denis derives from the Latin name Dionysius, which comes from Dionysus, the Greek god of wine and festivity, meaning "devoted to Dionysus." The name entered European usage through Christian Saint…
Global Rank #46
Dennis
Origin: English
The name Dennis derives from the Latin name Dionysus, meaning "devoted to Dionysus" (the Greek god of wine and theater), and entered European languages through the French form Denys.
Which is more popular? Based on real registry rankings, Dennis currently ranks higher globally. Popularity can vary a lot by country — check each name's own page for a full regional breakdown.