Arnell is both a surname and a given name. Notable people with the name include:
Alan Arnell (1933–2013), English-born former footballer
Helena Arnell (1697–1751), one of the first Finnish painters in Finland
Richard Arnell (1917–2009), English composer of classical music
Samuel Mayes Arnell (1833–1903), American politician
Vaughan Arnell, British music videos and television commercials director
Jonas Arnell, Swedish orders and medals expert, former Political Advisor to the Christian Democrats in the Swedish Parliament.
Arnell Engstrom (1897–1970), American businessman and politician
Arnell Ignacio, Filipino game show host, comedian and actor
Arnell Wikipedia (Text) CC BY-SA