Ronald Rene Lagueux (June 30, 1931 – May 3, 2023) was a United States district judge of the United States District Court for the District of Rhode Island.

Born in Lewiston, Maine,[1] Lagueux received an Artium Baccalaureus degree from Bowdoin College in 1953 and a Bachelor of Laws from Harvard Law School in 1956.

He was in private practice in Providence, Rhode Island from 1956 until 1968.

He was an associate justice of the Rhode Island Supreme Court from 1968 to 1986.

[2] On January 21, 1986, Lagueux was nominated by President Ronald Reagan to a new seat on the United States District Court for the District of Rhode Island created by 98 Stat.