Esmail Momtaz od-Dowleh (Persian: اسماعیل ممتازالدوله) was a notable Iranian statesman of the early twentieth century.

Born in tehran in 1880, he was one of the original Parliamentarians of the First Majles in 1906.

When the Parliament was bombarded by Mohammad Ali Shah, he was the speaker of majlis and escaped to Paris.

In London he interviewed about the crisis which printed in European newspapers.

Momtaz died in 1933 at the age of 54 of coronary heart disease.