'''Sejna''' or '''Šejna''' may refer to:
* Jan Šejna (1927–1997), Czech-Czechoslovak general who defected to the US in 1968 * Karel Šejna (1896–1982), Czech conductor * Marco Sejna (born 1972), German footballer * Peter Sejna (born 1979), Slovak ice hockey player * 21985 Šejna, a main belt asteroid * Sejny, a town in Poland
== See also == * Miloš Šejn * Shein (disambiguation) * Schein * Şeineanu * Sajnovics
{{Disambiguation|surname}} Category:Slovak-language surnames