GP5 could refer to several things:
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GP5 (gene)
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T7 phage
Bacteriophage T7 (or the T7 phage) is a bacteriophage, a virus that infects bacteria. It infects most strains of ''Escherichia coli'' and relies on these hosts to propagate. Bacteriophage T7 has a Lytic cycle, lytic life cycle, meaning that it ...
, or Gp5
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GP5 chip, computer chip
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GP-5 gas mask
The GP-5 gas mask kit () is a Soviet Union, Soviet-made gas mask kit, which contains a single-filter ShM-62 or Shm-62U gas mask. It was issued to the Soviet population starting in 1962 during the Cold War. Production of the kit ended in 1990. The ...
, Soviet civilian gas mask
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