IAPS may refer to: Indian Army Public Schools International Academy for Philosophy of Science International Affective Picture System, a set of affective/emotional images used in psychological research International Association of Physics Students, a non-profit umbrella organization for physics students associations worldwide Independent Association of Prep Schools, a professional association for headteachers of independent preparatory schools in the UK and worldwide ; see 1990s president Robert Austin Markus Istituto di Astrofisica e Planetologia Spaziali, a research institute in Rome, Italy; part of the Italian National Institute for Astrophysics (INAF) See also IAP (disambiguation)