A scheme is a systematic plan for the implementation of a certain idea.
Scheme or schemer may refer to:
- The Scheme (TV series), a BBC Scotland documentary series
- The Scheme (band), an English pop band
- The Scheme, an action role-playing video game for the PC-8801, made by Quest Corporation
- Schemer (comics), Richard Fisk, a Marvel Comics villain turned antihero
- Horace Schemer, a fictional character in the TV series Shining Time Station
- Schemee, a fictional child character and Schemer's nephew in the TV Series Shining Time Station
- Schemers (film), a Scottish film
- Classification scheme, eg a thesaurus, a taxonomy, a data model, or an ontology
- Scheme (programming language), a minimalist dialect of Lisp
- Scheme (mathematics), a concept in algebraic geometry
- Scheme (linguistics), a figure of speech that changes a sentence's structure
- Scam, an attempt to swindle or cheat people through deception
- Get-rich-quick scheme, a plan to obtain high rates of return for a small investment
- Matrix scheme, or ladder scheme, a business model involving the exchange of money for a certain product with a side bonus of being added to a waiting list for a product of greater value than the amount given
- Ponzi scheme, a scam paying investors returns from their own or others' money (rather than from profits)
- Pyramid scheme, a non-sustainable business model involving payments primarily for enrolling other people
- Google Schemer, a former service allowing its users to share plans and interests
- Scheme, a type of government program in India
- Color scheme
- Contract
- Housing scheme, a Scottish term for a council housing development
- Investment fund
- Numbering scheme
- Rhyme scheme
- Schema (disambiguation)
- URI scheme, the outermost part of internet Uniform Resource Identifiers