PNET may refer to:

• Peaceful Nuclear Explosions Treaty
• Primitive neuroectodermal tumor
• Pancreatic neuroendocrine tumor

• Habenella garberi
• Habenella herzogii
• Habenella odontopetala
• Habeni
• Habenular commissures
• Habenular trigones
• Haberberg
• Haberberg Church
• Habercorn
• Haberdashers
• Haberdashers' Aske's Crayford Academy
• Haberdashers' Aske's girls' school
• Haberdashers' Aske's Knight's Academy
• Haberdasher's Puzzle
• Haberfeld
• Haberfield (disambiguation)
• Habergrund
• Haberkorn
• Haberlandia
• Haberlandia annetteae
• Haberlandia clenchi
• Haberlandia entebbeensis
• Haberlandia hilaryae
• Haberlandia hintzi
• Haberlandia hollowayi