Placeholder may refer to:

Language Placeholder word, a term or terms referring to something or somebody whose name is not known or, in that particular context, is not significant or relevant. Placeholder name Filler text, text generated to fill space or provide unremarkable and/or standardised text. Lorem ipsum, a standard Latin text most commonly used to demonstrate a font, typography or layout.

Mathematics and computer science Free variable, a symbol subsequently replaced by a value or string. Interpoled variable of a string interpolation process. Metasyntactic variable, a placeholder name (see above) as used in computer science. Format placeholder, used in computing to format strings within print functions (printf).

Other uses Line stander, a person standing in a queue for another. Placeholder (politics), a person temporarily appointed to an office that would otherwise remain vacant.

See also Filler (disambiguation) Spacer (disambiguation) Stand-in Substitute (disambiguation) Stadtholder