IMSS

IMSS may refer to:

• Mexican Social Security Institute, (Instituto Mexicano del Seguro Social, IMSS, its Spanish acronym)
• Istituto e Museo di Storia della Scienza, now the Museo Galileo, a museum in Florence, Italy
• Integrated Maritime Surveillance Systems, an integrated network of coast-line radars by the Indonesian Navy
• International Museum of Surgical Science, a museum in Chicago, US
• InterScan Messaging Security Suite, an enterprise e-mail antivirus software, by Trend Micro