The Star Boarder may refer to:

• The Star Boarder (1914 film), an American film directed by George Nichols and starring Charlie Chaplin
• The Star Boarder (1919 film), an American film directed by, and starring, Larry Semon
• The Star Boarder (1920 film), an American comedy short film directed by James D. Davis

• Immunoprecipitation protein complex
• Immunoprecipitation protein complexes
• Immunoproliferative disorders
• Immunoreaction
• Immunoreactive
• Immunoscintigraphy
• Immunosignature
• Immunostain
• Immunostaining protocol
• Immunostimulator
• Immuno-suppressant drugs
• Immunosuppression-associated Kaposi sarcoma
• Immunosuppressive agent
• Immunosuppressor
• Immunosupressed
• Immunosurgery
• Immunotherapeutic
• Immunotransplant
• Immured anchorite
• Immured Anchorite
• Immured Anchorites
• Immurements
• Immures
• Immuring
• Immuron