ATM or atm may refer to:
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
AVR is a family of microcontrollers developed by Atmel beginning in 1996. These are modified Harvard architecture 8-bit RISC single-chip microcontrollers.
The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System. It is mostly made of molecular hydrogen and helium in roughly solar proportions; other chemical compounds are present only in small amounts and include methane, ammonia, hydrogen sulfide and water.
Atmosphere is an American hip hop duo from Minneapolis, Minnesota, consisting of rapper Slug (Sean Daley) and DJ/producer Ant (Anthony Davis).
Atmospheric entry is the movement of an object from outer space into and through the gases of an atmosphere of a planet, dwarf planet or natural satellite.
Atmospheric pressure, sometimes also called barometric pressure, is the pressure exerted by the weight of air in the atmosphere of Earth (or that of another planet).
The atmosphere of Mars is the layer of gases surrounding Mars. It is composed mostly of carbon dioxide.
Atmel ARM-based processors are microcontrollers and microprocessors integrated circuits, by Atmel, that are based on various 32-bit ARM processor cores, with Atmel-designed peripherals and tool support.
Atmospheric methane is the methane present in Earth's atmosphere. Atmospheric methane concentrations are of interest because it is one of the most potent greenhouse gases in Earth's atmosphere.