Singapore Security Alliance (SSA) is an Alliance amongst the different security industry associations and organisations in Singapore.

They are Asian Professional Security Association Singapore Chapter (APSA), ASIS International Singapore (ASIS), International Society of Crime Prevention Practitioners, Singapore (ISCPP), Security Systems Association of Singapore (SSAS) and Conference & Exhibition Management Services Pte Ltd (CEMS), organiser of the largest security exhibition in Singapore – Safety & Security Asia (SSA) series.

The principle of the Alliance is to bring together different industry authorities under a uniform community to help address security issues in Singapore.