Er Online Tutorials

ER or Er may refer to:

People

Er (biblical person), the eldest son of Judah in the biblical book of Genesis
Nie Er (1912–1935), Chinese composer
Elliot Rodger (July 24, 1991 – May 23, 2014), English-American incel mass shooter
A Royal cypher representing a monarch
- Elizabeth Regina (ER), the royal cypher of Elizabeth I
- Edward Rex (ER / EVIIR), the royal cypher of Edward VII
- Edward Rex (ER / EVIIIR), the royal cypher of Edward VIII
- Elizabeth II Regina (EIIR), the royal cypher of Elizabeth II

Er (Cyrillic) (Р / р), a letter of the Cyrillic alphabet corresponding to the Latin letter "R"
Er (cuneiform), a sign in cuneiform writing
"er", a filler word in English
Er, alternate spelling for Yer (Ъ / ъ), the hard-sign letter of the Cyrillic alphabet
Suffix -er
- -er, a suffix added to adjectives or adverbs to form a comparative (e.g., fast to faster)
- -er, a suffix added to a noun to indicate resident of, as in New Yorker
- -er, a suffix added to a verb to make it an agent noun (e.g., cut to cutter)
- Oxford "-er", a suffix used to form words like rugger and footer
- Erhua (儿化), rhotacization of spoken syllables in Beijing dialect of Mandarin Chinese with the -er suffix (儿)