YMMV - and in any case, it's unintentional humor - but in Fatal Frame 3, there is a point where Miku enters a room full of hanging doll/body-looking things. The look on her face isn't so much "abject terror" as it is "...what now?". You can see it here.
Female Head from the first game. It's the ghost of a woman's head. That rolls in midair.
Floating Woman in the second game, when hurt, makes a loud gasping noise. Logical enough, and a bit creepy considering she drowned. However, on some versions of the game, it sounds rather like a duck quacking, which is just hilarious.
YMMV - Miku in the first Fatal Frame witnesses a ghost run up the stairs. Her reaction to it is less than what you would expect.