Defender of men. Alejandro is the Spanish form of Alexander, from the Greek Alexandros, combining alexein (to defend) and anēr (man).
Alejandro is a boy's name of Spanish origin, the Iberian form of the ancient Greek name Alexandros, which became famous across the ancient world through Alexander the Great of Macedon in the 4th century BC. Greek missionaries and scholars carried the name into the Iberian Peninsula, where it was adapted into Spanish as Alejandro. It has been borne by Spanish kings, saints, and popes — including three popes who took the name Alexander — and has remained a staple of the Spanish-speaking world for over a thousand years.
Alejandro carries the weight of one of history's most celebrated figures — Alexander the Great — while feeling thoroughly at home in any Spanish-speaking community. It has long been a mark of strength and leadership across Latin America and Spain, chosen by families who want a name that sounds bold without being flashy. Lady Gaga's 2010 hit 'Alejandro' introduced the name to a global pop-culture audience, giving it a romantic, slightly exotic edge for English speakers.
People named Alejandro are often described as confident and natural leaders who carry themselves with quiet authority. They tend to be loyal to their inner circle and take their responsibilities seriously, but they also have a warm, social side that makes them easy to be around. There is a certain magnetism to the name — it sounds commanding yet approachable.
Alejandro is widely used throughout Spain, Mexico, Argentina, Colombia, and the broader Spanish-speaking diaspora. In the United States it has grown steadily with the Hispanic population and peaked at #88 on the national charts, making it one of the most recognizable Spanish-origin names in English-speaking countries. It is common enough to feel familiar but rare enough to stand out in an Anglo classroom.
Alejandro means 'defender of men.' It is the Spanish form of the Greek name Alexandros, built from alexein (to defend) and anēr (man), making its literal meaning 'he who defends men.'
Alejandro is very popular across the Spanish-speaking world. In the US it peaked at #88, in Canada it peaked at #378, and in the UK it peaked at #722, reflecting its broader reach into English-speaking countries through Hispanic communities.
Yes — Alejandro is the Spanish form of Alexander, and both come from the same Greek root Alexandros. They share an identical meaning and historical origin, just adapted to different phonetic traditions. Many Spanish speakers named Alejandro go by Alex as a short form, just like their English-speaking counterparts.
Alejandro is a strong choice for a baby boy — it has real historical depth, sounds confident without being old-fashioned, and travels well between Spanish and English-speaking environments. It is familiar enough that teachers and friends will know how to say it, but distinctive enough to feel special.
Browse related
Discover more baby names by letter and origin: