List of Famous people who are 81

Daisuke Inoue is a Japanese businessman best known as the inventor of a karaoke machine. Inoue, a musician in his youth employed in backing businesspeople who wanted to sing in bars, invented the machine as a means of allowing them to sing without live back-up. He did not patent the machine and so did not directly profit, but he continued to work in the industry it generated, including patenting a pesticide for karaoke machines. Named one of Time Magazines "Most Influential Asians of the Century" in 1999, he was awarded the Ig Nobel Peace Prize in 2004 and in 2005 was the subject of the Japanese biographical film Karaoke.

John Bright is an Academy Award-winning costume designer. John Bright won the Oscar in for Best Costumes for the film A Room with a View during the 1986 Oscars. He shared the win with Jenny Beavan.

Erich P. Ippen is a principal investigator in the Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT). He holds appointments as the Elihu Thomson Professor of Electrical Engineering Emeritus and Professor of Physics Emeritus. He is one of the leaders of RLE’s Optics and Quantum Electronics Group.

Andi Nafsiah Walinono Mboi is an Indonesian politician and physician. She served as Minister of Health of the Republic of Indonesia from 14 June 2012 until 20 October 2014. Dr Mboi currently serves as the Leaders' Envoy for the Asia Pacific Leaders Malaria Alliance (APLMA).

Douglas Day Stewart is an American screenwriter and film director. He graduated from Claremont McKenna College in 1962.

Nicholas Theodore Varopoulos is a Greek mathematician, who works on harmonic analysis and especially analysis on Lie groups.