Names Ending in J for Boys

Made up of the letters A and J, this initial name is often used as a nickname, however, a growing number of parents are choosing to put AJ on the birth certificate. It has been making the occasional appearance in the England and Wales Top 1000 since 2013.

Taj is a cool-sounding name reflecting the magnificence of the seventeenth-century Indian Taj Mahal, chosen by Aerosmith's Steven Tyler for his son.

CJ is a modern abbreviated name typically formed from the initials of first and middle names beginning with C and J, such as Christopher James, Charles John, or Cara Jane. This concise name gained popularity in the late 20th century alongside the trend toward shorter, more casual names and initials as standalone identities. CJ projects a friendly, approachable quality while maintaining a certain coolness and versatility. Its gender-neutral nature, though slightly more common for males, adds to its contemporary appeal. The name has been featured in popular culture through characters in television and film, helping to establish it as more than just a nickname but a legitimate given name in its own right.

This Polish variant of Nicholas is very common in Poland, and has stayed in the nation's Top 30 for the last 20 years. A significant namesake is Nicolaus Copernicus, who was born Mikołaj Kopernik. Can be shortened to the cute nickname Miko.

JJ is a masculine name that functions primarily as a diminutive or nickname, typically derived from first names beginning with the letter J, such as James John, Joseph, Jason, or Jonathan. Often, it represents the initials of a first and middle name combination (e.g., John Jacob). The simplicity of JJ makes it practical and memorable, with a friendly, approachable quality. While some people use JJ only informally, others adopt it as their legal name. Its popularity increased in the late 20th century alongside the trend toward casual, abbreviated names. JJ has gained additional recognition through notable sports figures and entertainers who use this moniker. The name's brevity gives it a modern, unpretentious feel that works well in contemporary naming trends.

Kaj is a name that looks great on paper, but while it's pronounced with to rhyme with rye, it is sure to be pronounced by most people to rhyme with "raj" or, much worse, "Madge".

A cool Indian name with two even cooler nickname options — Avi, or Taj.

A two-initial nickname occasionally used on birth certificates.

A handsome Indian name with the potential nickname Taj.

A two-initial nickname occasionally used on birth certificates.

A two-initial nickname sometimes used on birth certificates — although these initials have a slang meaning you may prefer to avoid.

A two-initial nickname occasionally used on birth certificates.

Central European form of Matthew.

A two-initial nickname occasionally used on birth certificates, with a disco vibe.

Variant transcription of Andrei, as well as the South Slavic, Czech, and Slovak form.

A recently-created Slovene name with no etymological roots. Naj debuted in the Slovenian Top 100 in 2019, when it was given to 23 baby boys. However, based on the use of Naja in Slovenia as a diminutive of Anastazija or Natalija as well as a stand alone name, Naj (and similar Nai) might have come about in a similar way, from Nikolaj or Nikolai, for example.

The pronunciation barrier looms large, but Maciej has such a pleasant sound, we think it deserves a second look.

Viraj is a Sanskrit name and a modern form of Viraja, a mythical being in Hindu mythology associated with creation, having been produced by Brahma (the supreme director and creator of the universe). It is also simply a Sanskrit word, indicating excellence and power.