Isay is an uninhabited island in the Inner Hebrides of the west coast of Scotland.
Isay may also refer to:
Isay (surname) Isay, the Russian-language version of the given name Isaiah
(1924–1925), Soviet politician and diplomat, the first directpr of Amtorg Isay Izrailevich Prezent, better known as
See also
Isay reaction, or Gabriel-Isay condensation, in organic chemistry