Santa Claus in a dream represents comfort and happiness because he may have a strong connection to your father. Alternatively, Santa Claus may represent Christmas.
A Santa Claus who appears menacing in a dream indicates that you are feeling stressed preparing for a holiday.
To see someone dressed as Santa Claus in a dream applies the characteristics of Santa Claus to them.
For example, to see your brother dressed as Santa Claus indicates that you believe he is a kind and generous person.
To dream of Santa Claus is a warning that you will reap what you have sown. It’s time to “make a list and check it twice” - you’re about to get what’s coming to you.