WP:S may be a shorthand for the following shortcuts:
- WP:SAND → Wikipedia:Sandbox
- WP:SEARCH → Help:Searching (target of the shortcut until March 2022)
- WP:SECONDARY → Wikipedia:No original research#Primary, secondary and tertiary sources
- WP:SIG → Wikipedia:Signatures
- WP:SOCK → Wikipedia:Sockpuppetry
- WP:SOURCE → Wikipedia:Verifiability#Reliable sources
- WP:SPEEDY → Wikipedia:Criteria for speedy deletion
- WP:STATS → Wikipedia:Statistics
- WP:STN → Wikipedia:Sanctions
- WP:SUMMARY → Wikipedia:Summary style
- WP:SYND → Wikipedia:Syndication
- WP:SYNTHESIS → Wikipedia:No original research#Synthesis of published material