The New Urban Communities Authority is an Egyptian state owned enterprise.
NUCA may also refer to:
National Utility Contractors Association, a US trade association Nottingham University Conservative Association, a UK student association Nunavut Court of Appeal, the highest appellate court in the Canadian territory of Nunavut nucA, symbol for the enzyme Serratia marcescens nuclease
See also Santa Cruz de Nuca, a Spanish colonial fort and settlement in what is now British Columbia.