pj

PJ is a two-letter initialism and a common nickname used in English to refer to people, works of art, and everyday terms. It often denotes initials for a person whose first name begins with P and whose middle or last name begins with J, and it is also used as a stand-alone stage name in some cases.

Notable examples include Polly Jean Harvey, who performs under the name PJ Harvey, and P. J. Proby, the stage name of singer James Prosser. In sports and entertainment, many athletes and performers are commonly referred to by the initials “P.J.” in media and by fans, reflecting a broader cultural practice of using initials as a shorthand handle.

In popular culture, PJ Masks is a children's animated television series about three young friends who transform into heroes at night; the “PJ” in the title is a reference to pajamas, tying into the show’s nighttime superhero theme. The use of PJ in titles and character names is widespread in various media, reflecting its ease of recognition.

In everyday language, “PJ” frequently stands for pajamas, the clothing worn for sleep. In professional contexts, it can serve as an abbreviation for project, used in notes, file prefixes, or labels such as “PJ plan” or “PJ proposal.” As with many two-letter combinations, the exact meaning of PJ depends on context.