2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42163I give a brief overview of the motivations for and experimental probes of extended Higgs sectors containing more than the single Higgs doublet field of the Standard Model.24 pages, 5 figures, To appear in the Proceedings of {\it SUSY02: The 10th International Conference on Supersymmetry and Unification of Fundamental Interactions}, June 17-23, 2002, DESY HamburgHigh Energy Physics - Phenomenologytext