2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/137102We study harmonic almost contact structures in the context of contact metric manifolds, and an analysis is carried out when such a manifold fibres over an almost Hermitian manifold, as exemplified by the Boothby-Wang fibration. Two types of almost contact metric warped products are also studied, relating their harmonicity to that of the almost Hermitian structure on the base or fibre.21 pagesDifferential Geometry53C10, 53C15, 53C43, 53C56, 53D10, 53D15, 58E20text