Rydberg

Rydberg may refer to:

People

 * Gerda Rydberg (1858–1928), Swedish artist better known as Gerda Tirén
 * Jan Rydberg, (1923-2015), Swedish chemist who worked on nuclear chemistry and recycling at Chalmers University of Technology
 * Johannes Rydberg (1854–1919), Swedish physicist and deviser of the Rydberg formula
 * Kaisu-Mirjami Rydberg (1905–1959), Finnish journalist and politician
 * Per Axel Rydberg (1860–1931), Swedish-American botanist
 * Sam Rydberg (1885–1956), Swedish composer
 * Viktor Rydberg (1828–1895), Swedish author, poet, and mythographer
 * Viktor Crus Rydberg (1995—), Swedish ice hockey player

Physics

 * Rydberg constant, a constant related to atomic spectra
 * Rydberg formula, a formula describing wavelengths
 * Rydberg atom, an excited atomic state
 * Rydberg molecule, an electronically excited chemical substance
 * Rydberg unit of energy (symbol Ry), derived from the Rydberg constant

Places

 * Rydberg (crater), a lunar crater named after Johannes Rydberg