Zacarias Albano da Costa (born 16 January 1964, in Remexio) is an East Timorese politician and diplomat.

Professionally, Minister da Costa has worked with the Asian Development Bank (ADB) for four years as Inter-Agency Coordinator and Project Administration and Implementation Specialist.

He was also a USAID Advisor on Private Sector Development Project and Head of Information Coordination and Monitoring Unit.

Currently Minister da Costa holds a number of voluntary positions including National Vice-president of the Timor-Leste Red Cross and is heavily involved with NGO's and Cultural and Sporting organizations.

[3] On 17 July 2021, da Costa took over as Executive Secretary of the Community of Portuguese Language Countries from Francisco Ribeiro Telles, at the Summit of Lusophony in Luanda, Angola, becoming the first East Timorese person to hold the office.