Picornell is a Spanish surname. Notable people with the surname include:
André Picornell (born 2004), Swedish professional footballer Aurora Picornell (1912–1937), Spanish seamstress, unionist, and feminist activist Bernat Picornell (1883–1970), Spanish swimmer and sports leader Juan Picornell (1759–1825), Spanish-born revolutionary Juan Segui Picornell (born 1947), Spanish former sports shooter
See also
Piscines Bernat Picornell, a swimming venue situated in the Olympic Ring in Montjuïc