SEDT

SEDT is an initialism that may refer to:
 * School of Entertainment and Design Technology at Miami Dade College
 * School of Environmental Development Technology at Federal Polytechnic, Nekede
 * sedt, a Unix text editor based on EDT (Digital)
 * Sequential Euclidean distance transform, a distance transform using Euclidean distance, computed sequentially
 * Single-ended double truck, a configuration of train rolling stock used for instance in the Toronto Suburban Railway
 * Spondyloepiphyseal dysplasia tarda, a rare skeletal disease associated with the TRAPPC2 gene