SSEM can refer to:
*
Manchester Baby
The Manchester Baby, also called the Small-Scale Experimental Machine (SSEM), was the first electronic stored-program computer. It was built at the University of Manchester by Frederic Calland Williams, Frederic C. Williams, Tom Kilburn, and Ge ...
or Small-Scale Experimental Machine, historic computer
*
South Seas Evangelical Mission
The South Sea Evangelical Church (SSEC) is an evangelical, Pentecostal church in Solomon Islands. In total, 17% of the population of Solomon Islands adheres to the church, making it the third most common religious affiliation in the country behind ...
, missionary organization in the Solomon Islands
*
Serial-section electron microscopy (ssEM), a form of transmission electron microscopy
{{Disambig
Abreviación de la Secretaria de Seguridad del Estado de México S.S.E.M. (Policía del Estado de México) anteriormente Comisión Estatal de Seguridad Ciudadana (CES) y que se le modifico el nombre al tomar posesión de la gobernatura el Lic. Alfredo del Mazo 2017.