Stangl is a German surname. Notable people with the surname include:

• Christian Stangl (born 1966), Austrian mountain climber
• Dalene Stangl, American statistician
• Ernst Stangl (fl. 1970s), Austrian luger
• Franz Stangl (1908-1971), Austrian-born Nazi SS officer and commandant of the Sobibor and then Treblinka extermination camps
• Johann Stangl (fl. 1950s), Austrian luger
• Josef Stangl (1907-1979), Roman Catholic bishop who consecrated Pope Benedict XVI
• Stefan Stangl (born 1991), Austrian footballer
• Thomas Stangl (1854-1921), German classical scholar

• Gastric pits
• Gastric plexus
• Gastric plexuses
• Gastric sleeve
• Gastric sneeze
• Gastric vein
• Gastric veins
• Gastric volvulus
• Gastridium phleoides
• Gastridium ventricosum
• Gastrikland
• Gastrinoma
• Gastrin-releasing peptide receptor
• Gastrins
• Gastrin-secreting cells
• Gastrioceratidae
• Gastrioceratoidea
• Gastrique
• Gastrobotics
• Gastrobots
• Gastrocaine
• Gastrochilus
• Gastrochilus calceolaris
• Gastrochisis
• Gastroclonium