规则交换格式（Rule Interchange Format，RIF）是一个已经建议的语义网构成要素。W3C目前正在构建RIF，将其作为可能推荐的，适合于语义网之上基于规则的系统之中规则交换的格式。RIF旨在为不同的规则语言和推理引擎创建一种交换格式。

The Rule Interchange Format (RIF) is a W3C Recommendation. RIF is part of the infrastructure for the semantic web, along with (principally) SPARQL, RDF and OWL. Although originally envisioned by many as a "rules layer" for the semantic web, in reality the design of RIF is based on the observation that there are many "rules languages" in existence, and what is needed is to exchange rules between them.