Nicholas Weininger (b. 1978) is a software engineer by profession and a composer and singer by avocation. His works have been performed by choirs across the US, ranging from the International Orange Chorale of San Francisco and the NYC-based ensemble Choral Chameleon to the West Genesee High School Chorale, the Germantown Friends School Concert Choir, and the festival ensemble Coro Mundi. Nick's works are published through Personage Press and ArrangeMe.

Nick holds a Ph.D. in pure mathematics from Rutgers University and has managed teams of software engineers for most of his career. He has sung with the International Orange Chorale of San Francisco (IOCSF) since 2007. Nick began composing for IOCSF in 2011 and in 2015-2016 served as IOCSF's inaugural Composer-in-Residence; the ensemble has performed ten of his works in all and recorded four on the albums The Unknown Region and Hope in Times of Disquiet. Nick's 2016 setting of "As kingfishers catch fire", commissioned by IOCSF, was awarded second prize in the Ithaca College Choral Composition Competition and was a finalist for the 2020 American Prize. Initially an autodidact, Nick took up private composition study with Joseph Stillwell in 2014 and now studies with Vince Peterson. Nick lives in San Francisco with his wife and son.