OpenSearch may refer to:
- OpenSearch (specification), an open standard for the publishing of search results
- OpenSearch (software), a fork of Elasticsearch and Kibana by Amazon Web Services
See also
- All pages with titles beginning with OpenSearch
- All pages with titles containing OpenSearch
- OpenSearchServer, an open source application server for the development of search engines
- Open Search Foundation, a foundation committed to open, transparent and independent internet search in Europe; see Search engine privacy § Privacy organizations