In the way that most "ghost hunters" and such claim? No, I don't particularly think so.
In the sense that there's something that might dance around our senses sometimes? Probably pretty likely, if only from a survival sense - imagine being able to survive if your body was in the infrared / ultraviolet spectrum in the age of humans. Before tech to detect it, of course, but just an idea of something that could exist but not necessarily be something we could see as anything meaningful.
I've had things happen to me (none visual) that make me wonder sometimes - mostly sounds and occasionally things moving and always reappearing in a specific spot (beneath a plastic three-door drawer tower, in a closet that was always shut... with objects bigger than the ~1 cm gap between it and the floor appearing there, or a book going from my room to a detached upper story garage... but on the floor across the room instead of the shelves where books would go). Could have been people moving it, but unlikely given things that moved were generally random things it might take a week for me to notice missing. Except that book that I'd been currently reading that disappeared from my room. I've had doors knocked on when everyone was asleep, in distinctive patterns, and a door locked on me from the inside with me inside. Not a key lock, one of the pin-hole locks that is impossible to lock from the outside. Just weird little strange prank-things that could have been someone, but were unlikely given my parents really don't do pranks and get mad about most of them.