Zenit Asset Management, a Swedish hedge fund.

FC Zenit Saint Petersburg, a football (soccer) club in Russia.

Zenit (camera), a Russian camera brand produced by KMZ (spelled 'Zenith' in some English-language literature).

Zenit rocket, a Ukrainian expendable launch vehicle in current use.

Zenit spy satellite, a Soviet military spy satellite.

Zenit News Agency, an international news agency covering the Roman Catholic Church.

Zenit sounding rocket, a Swiss rocket used from 1967 to 1973.

Zenit (sports society), a Soviet Voluntary Sports Society.

Zenit Đozić, a Bosnian actor, humorist and television producer.

FC Zenit Čáslav is a Czech football (soccer) club.