| Meaning | handsome, cheerful |
| Origin | Celtic, Gaelic, Scottish |
| Gender | Boy |
| Popularity | Moderate |
| Length | 5 |
| Syllables | 2 |
| Syllabification | Al-lan |
Steady, reliable, and unpretentious—qualities that never go out of style regardless of changing trends. This spelling variation adds subtle distinction while maintaining complete familiarity and ease of recognition. Allan represents a practical choice for parents who want something solid and dependable rather than flashy or attention-seeking. The name has served countless individuals well across multiple generations, proving its versatility and staying power. It suggests someone grounded and sensible, the type of person who remains calm during chaos and makes thoughtful decisions rather than impulsive ones. Allan requires no explanation or justification; it simply exists as a perfectly acceptable, thoroughly respectable name that serves its purpose without complication. The double 'l' adds visual interest to the written form while the pronunciation remains straightforward and universally understood. For families valuing substance over style and longevity over trendiness, Allan delivers exactly what's needed without excess or deficiency.
| Al |
| Ally |
| Lan |
| Lanny |
| Allan Turing | British mathematician and computer scientist |
| Allan Poe | Edgar Allan Poe, renowned American writer and poet |
| Allan Iverson | American basketball legend |
| Allan Border | Australian cricketer and captain |
| Allan McGregor | Scottish footballer |
| Allan Saint-Maximin | French professional footballer |
| Allan Houston | Former NBA player |
| Allan Clarke | English footballer and manager |
| Allan Holdsworth | Influential English guitarist and composer |
| Allan Melvin | American actor |
| Allan Wells | British Olympic gold medalist sprinter |
| Allan Kardec | French educator and founder of Spiritism |
| Allan Pinkerton | Scottish-American detective and founder of the Pinkerton National Detective Agency |
| Allan Arbus | American actor and photographer |
| Allan Hyde | Danish actor |
| Allan Sherman | American comedian and writer |
| Allan Donald | South African cricketer and coach |
| Allan Moffat | Canadian-Australian racing driver |
| Allan Scott | Character from the TV series "The West Wing" |
| Allan Tracy | From the TV series "Thunderbirds" |
| Allan Armstrong | Character from the "Full Metal Panic!" anime series |
| Allan Pinkerton | The steampunk version of the historical figure in the graphic novel "The League of Extraordinary Gentlemen" |
| Allan Witherspoon | From the TV show "Supernatural" |
| Allan "The Brain" Powers | From the TV series "The Magic School Bus" |
| Allan Quatermain | From the movie "The League of Extraordinary Gentlemen" |
| Allan Thompson | Character from the video game series "BioShock" |
| Allan a Dale | A character in the manga "March Comes in Like a Lion" |
| Allan Karlsson | From the film adaptation of "The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared" |