RSE

RSE may refer to:

• Ramtha's School of Enlightenment, a spiritual school in the United States
• Realistic Sound Engine, a sound output format in Guitar Pro
• Red Seal Endorsement, post-nominal letters signifying attainment of Canada's official journeyperson certification in the trades
• Relationship and Sex Education, an education curriculum in United Kingdom schools
• Red Storm Entertainment, a video game company
• Refractory status epilepticus, the persistent form of status epilepticus despite intervention
• Relative standard error, a measure of a statistical estimate's reliability
• Rensselaer Society of Engineers, a local fraternity at Rensselaer Polytechnic Institute, state of New York
• Research software engineering, the use of software engineering practices in research
• Rhein-Sieg-Eisenbahn, a German railway company
• the IATA airport code of Rose Bay Water Airport, a water airport located in the suburb of Rose Bay in Sydney, Australia
• Royal Society of Edinburgh, Scotland's national academy of science and letters
• Rwanda Stock Exchange, a stock exchange in Rwanda
• Pokémon Ruby and Sapphire and Pokémon Emerald, the three main titles of the third generation of the Pokémon series
• Rainbow Shared Energy Company Limited