Nicholas Dias Abeysinghe Amarasekere Maha Mudaliyar, (Sinhala: නිකලස් ඩයස් අබේසිංහ අමරසේකර) (8 May 1719 - 10 May 1794) was a Ceylonese Dutch colonial administrator.

[2] He received Mudaliyar medal from Governor Jan Schreuder in 1768 and later received the Head Mudaliyar Gold medal on 31 May 1785 from Governor Willem Jacob van de Graaf,[3] as a recognition and reward for his fidelity towards the Dutch East India company.

He had a son and a daughter from his first marriage with Clara Goonaratne; Don Balthazar, who was a Sahabndar Maha Mudaliyar and Dona Ana Hertroyda, who was married to Don Bastian Jayathilleke Gooneratne, Attapattu Mudaliyar of Galle.

He had two sons from his marriage to Adriana Gertruda Ilangakoon; Johannes Welhelmus, who was the Mohandiram of Galle and Abraham, a Guard Mudaliyar and the chief interpreter of Sir Robert Brownrigg, the Governor of British Ceylon.

[3] Nicholas Dias Abeysinghe lived at Pokune Walauwa in Dangedera, Galle.