Has Biden ever voted for or supported a republican for President?

[Bootes Void]

I remember hearing that he was a young republican( liberal one) back in the late 60s so he may have voted for Nixon in 68. I do know he voted for McGovern in 72 however . What about other elections ?

[H. Ross Peron]

Definitely not any election after 1972. As for pre-1972 elections, he almost certainly backed LBJ over Goldwater and (assuming his home state allowed 18 year olds to vote) probably favoured the Catholic JFK over Nixon in 1960. He may have favoured Eisenhower over Stevenson as a teenager though.

[The Right Honourable Martin Brian Mulroney PC CC GOQ]

No, most likely not. A quick Wikipedia scroll tells me he registered as an independent in 1968 because he preferred the Republican gubernatorial candidate at the state level (it was a liberal Republican vs conservative Democrat race), but didn't like Nixon. On top of that he first ran for office, as a Democrat, during the Nixon presidency. By 1972 he was very clearly a Democrat, and in 1968 he supported the more liberal candidate in Delaware and says he didn't like Nixon. Based on that I'd say he voted for Humphrey. Since then, one would assume he's been a straight-ticket democrat, and certainly so at the Presidential level.

[Crumpets]

Retired white man from a working class family from northeast PA? Sounds like an Obama-Trump voter to me.

[President Johnson]

Well, as a senator, he did vote to confirm both Gerald Ford and Nelson Rockefeller under the 25th Amendment. It's almost insane to think about the fact he was a senator during and before Watergate.

[FriendlyRanger]

There was an article in the Dallas Morning News back in 1987 where Biden's early political affiliation was discussed. It can be easily found if you search for it.

Influenced by the head of his first law firm, Biden thought of himself as a Republican for about six or seven months, backing Republican Russell Peterson for Governor of Delaware that year but that he could not bring himself to declare himself a Republican due to his opposition to Richard Nixon. When he left his first law firm and joined a law firm headed by an active Democrat in 1969, Biden declared himself a Democrat.

As he opposed the conservative Democratic governor of Delaware, it's doubtful Biden would have backed Barry Goldwater in 1964, the only other Presidential election in his lifetime that he was eligible to vote in.

[Skill and Chance]

If McGovern 1972 is confirmed, then almost certainly not. 

[MATTROSE94]

Maybe Dwight Eisenhower over Adlai Stevenson in 1956, though Joe Biden was only a young teenager at the time and might not have been all that interested in politics yet. I recall reading that Jill Biden was a Republican until 1975, so she likely voted for Richard Nixon in 1972 if I had to guess.

[Bomster]

If McGovern 1972 is confirmed, then almost certainly not. 

What a chad. I would have voted McGovern too.