William Erigena Robinson (May 6, 1814 – January 23, 1892), often referred to by his pseudonym Richelieu, was an Irish-American journalist and politician from New York.

He represented Brooklyn in the United States House of Representatives for a total of three terms, serving from 1867 to 1869 and again from 1881 to 1885.

William Erigena Robinson was born in Unagh, near Cookstown, County Tyrone on the island of Ireland (the entirety of which was then part of the U.K.).

Robinson attended the classical school in Cookstown and Belfast College in 1834. Robinson emigrated to the United States and settled in New York City in November 1836.

He graduated from Yale College in 1841 and lectured for two years with the Yale Law School.

In 1843, Robinson served as assistant editor of the New York Tribune in 1843 and its only Washington correspondent, writing under the name of "Richelieu".

Robinson also wrote Washington correspondence for other papers. He was admitted to the New York bar in 1854 and practiced law in New York City.

He was appointed by President Lincoln assessor of internal revenue for the third district of New York in 1862.

Robinson died in Brooklyn on January 23, 1892. He was interred in Greenwood Cemetery.

 This article incorporates public domain material from the Biographical Directory of the United States Congress

• United States Congress. "William Erigena Robinson (id: R000355)". Biographical Directory of the United States Congress.

• William Erigena Robinson at Find a Grave