BioWare hasn't announced the official title for Mass Effect 4 yet. However, they were quick to shoot down another rumored name for the game.
A report published this past week said that the game is called Mass Effect: Origins. Yanick Roy, head of BioWare Montreal, said on Twitter yesterday that this gossip is wrong:
This is the second false title shot down by Roy this spring. The previous debunked title was Mass Effect: Contact. That rumor was capitalizing on speculation that the game could take place during the First Contact War - even though that wouldn't work that well.
When Roy shot down the Contact rumor in May, he said that Mass Effect 4 still doesn't have a title yet. That might be still be the case.
The reason that these rumored titles got so much traction is that we're in the speculation-crazed, pre-E3 period. Everything seems slightly more possible in the weeks and days before the convention. Mass Effect 4 speculation is particularly intense this year because many gamers are expecting BioWare to formally announce the game.
Roy added to this gossip with a couple other tweets this weekend. He says that he's going to be in attendance at E3 - perhaps a sign that he'll be presenting ME4 during EA's E3 press conference:
Like I said on Friday, I think BioWare's going to hold off on revealing Mass Effect 4 this week. They have Dragon Age: Inquisition launching this fall and want to give that game as much of the spotlight as they can. I think that an ME4 reveal would upstage Inquisition a bit. If BioWare's not concerned about that, though, then who am I to argue?