Princess Michael may refer to:

• Princess Anne of Bourbon-Parma (1948–2016), wife of Michael I of Romania
• Júlia Hunyady de Kéthely (1831–1919), wife of Prince Mihailo Obrenović
• Baroness Marie Christine von Reibnitz (born 1945), wife of Prince Michael of Kent
• Marina Karella (born 1940), wife of Prince Michael of Greece and Denmark

• Issei Nishikawa
• Issei Nishikiyori
• Issei Sagaw
• Issei Sagawa
• Issei Takayanagi
• Isseka
• Isseka, Western Australia
• Isseke
• Isse Kehte Hai Golmaal Ghar
• Issel (disambiguation)
• Isselosaurus
• Issels treatment
• Issendolus
• Issen gorin
• Issenhausen
• Isse (opera)
• ISS EP-1
• Issepts
• Isser Be'eri
• Isser District
• Isserlis Gaussian moment theorem
• Isserlis Gaussian Moment Theorem
• Isserlis theorem
• Isserlis' theorem
• Isser (name)