| Rubén Rabanal | |
| Office: | National Deputy |
| Term Start: | December 10, 1983 |
| Term End: | January 23, 1985 |
| Constituency: | City of Buenos Aires |
| Term Start2: | May 25, 1973 |
| Term End2: | March 24, 1976 |
| Constituency2: | City of Buenos Aires |
| Office3: | National Senator |
| Term Start3: | October 12, 1963 |
| Term End3: | June 28, 1966 |
| Constituency3: | City of Buenos Aires |
| Birth Date: | 1935 |
| Birth Place: | Buenos Aires, Argentina |
| Death Date: | January 23, 1985[1] |
| Death Place: | Buenos Aires, Argentina |
| Occupation: | Lawyer |
| Party: | Radical Civic Union |
| Otherparty: | People's Radical Civic Union |
Rubén Rabanal (1935–1985) was an Argentine politician. He was born in Buenos Aires in 1935 and died on January 23, 1985. He belonged to the Radical Civic Union and was a senator and national congressman several times. His father, Francisco Rabanal, was mayor of Buenos Aires between 1963 and 1966.
Rabanal was a member of radicalism in his youth, graduating as a lawyer and then with a Ph.D. in Political Economy from the University of Buenos Aires. Within his party he held various positions. He was elected senator in 1963, practicing until 1966, when there was a military coup. During his years in the Senate he was also secretary to his father, who was, at that time, mayor of the City of Buenos Aires.
In 1973, upon the return to democracy, after the military government of the Argentine Revolution, he was elected local Member of Parliament and as secretary of the Radical Civic Union block in the House. In 1976, after a new military coup, he was again deposed from office. In 1983, with the return to democracy, he was again elected as Member of Parliament, presiding over the Budget Committee.
In 1984, already ill, he voted for the Treaty of Peace and Friendship between Argentina and Chile.
He died on January 23, 1985, at age 49.