Princess Iman may refer to:

• Princess Iman bint Al Hussein (born 1983), Jordanian royal, daughter of King Hussein and Queen Noor
• Princess Iman Pahlavi (born 1993), Iranian royal, daughter of Crown Prince Reza Pahlavi and Yasmine Pahlavi
• Princess Iman bint Al Abdullah (born 1996), Jordanian royal, daughter and second child of King Abdullah II and Queen Rania

• Femtobarn
• Femtobecquerel
• Femtocell
• Femto cell
• Femtocoulomb
• Femtofaraday
• Femtogray
• Femtohenry
• Femtohertz
• Femtojoule
• Femtokelvin
• Femtolab
• Femtometers
• Femtometres
• Femtomolar
• Femtonewton
• Femtorad
• Femtosecond comb
• Femtosecond laser
• Femtosecond laser intrastromal vision correction
• Femtosecond optical frequency comb
• Femtosecond optics
• Femtosecond pulse
• Femtosecond pulse shaping
• Femtosiemens