Phyllis Weliver (born September 28, 1968) is an American academic specializing in Victorian literature and music history.

Weliver completed first degrees at Oberlin College, Oberlin Conservatory of Music, and the University of Cambridge, and her doctoral studies at the University of Sussex.

In 2011, Weliver became a lifetime Fellow of Gladstone's Library in Wales.

She was a visiting scholar at St Catharine's College, Cambridge for the 2013–14 academic year.

In 2016, she began Sounding Tennyson , the first test case for adding sound to the International Image Interoperability Framework (IIIF).