Jane Williams (disambiguation)
Jane Williams (1798–1884) was a British woman and subject of poems by Percy Bysshe Shelley

Jane Williams may also refer to:

 Jane Williams (missionary) (1800–1896), Church Missionary Society missionary in New Zealand
 Jane Williams (silversmith) (died 1845), Irish silversmith
 Jane Williams (theologian) (born 1957), Christian theologian and writer
 Jane Williams (Ysgafell) (1806–1885), Welsh writer
 Jane Williams (EastEnders), fictional character
 Jane Williams-Warren (born 1947), American politician
 Maria Jane Williams (1795–1873), Welsh musician