Daniel Arnold may refer to:
Dan Arnold (American football) (born 1995), tight end for the Jacksonville Jaguars Daniel A. Arnold (born 1965), American scholar and philosopher Daniel Arnold (photographer) (born 1980), New York City photographer Daniel Arnold (table tennis) (born 1978), German para table tennis player Danny Arnold (1925–1995), American producer, writer, comedian, actor and director Danny Arnold (rugby league) (born 1977), Scottish rugby league footballer
See also Dani Arnold, Swiss mountaineer