ER or Er may refer to:
== Arts, entertainment and media == ER (TV series), a 1994–2009 American medical drama series E/R, a 1984–1985 American TV sitcom Er, a character in Plato's Myth of Er Er, a 2005 album by Nils Petter Molvær "ER" (song), a 2012 song by Kanjani Eight "ER", a song by Royce da 5'9" featuring Kid Vishis from the 2011 album Success Is Certain Chico Enterprise-Record, the daily newspaper of Chico, California, US
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).