ERH

ERH may refer to:
 * ERH (gene), coding for enhancer of rudimentary homolog
 * ERH, the IATA airport code for Moulay Ali Cherif Airport, Errichidia, Morocco
 * Electrical resistance heating
 * Era Aviation, a defunct American airline
 * Erith railway station, in London
 * Eruwa language
 * Extended Riemann hypothesis
 * Nieh Erh (1912–1935), Chinese composer