PJSC Svetlana (Russian: ПАО «Светлана») is a company based in Saint Petersburg, Russia.

It is primarily involved in the research, design, and manufacturing of electronic and microelectronic instruments.

[2] The name of the company is said to originate from the words for 'light of an incandescent lamp' (СВЕТ ЛАмпы НАкаливания).

In 1937, the Soviet Union purchased a tube assembly line from RCA, including production licenses and initial staff training, and installed it on the St Petersburg plant.

[8] The Svetlana Association produces a variety of electronic and microelectronic instruments, including transmitting and modulator tubes for all frequency ranges; X-band broadband passive TR limiter; KU-band broadband TR tube; klystron amplifiers; X-ray tubes; portable X-ray units for medicine and industry; high-frequency fast response thyristors; transistors; integrated microcircuits; microcomputers; microcontrollers; microcalculators; ultrasonic delay lines; receiving tubes; process equipment for the manufacture of electronic engineering items.