Sandell as a surname can refer to:
Andy Sandell (born 1983), British football playerAnnemari Sandell-Hyvärinen (born 1977), Finnish long-distance runnerÅsa Sandell (born 1967), Swedish journalist and professional boxerEllen Sandell (born 1984), Australian environmentalistHåkan Sandell (born 1962), Swedish poetLina Sandell (1832-1903), Swedish hymn writerNils-Åke Sandell (1927–1992), Swedish football player and managerPatrik Sandell (born 1982), Swedish rally driver and 2006 junior world championRobert J. Sandell, World War II fighter ace; see List of Flying Tigers pilotsSami Sandell (born 1987), Finnish ice hockey playerThomas Sandell, Swedish investment banker and billionaireWilliam Sandell, Academy Award nominated art director