* For your mother's brother: "Tito"
* For your father's brother: "Tito"
* For your mother's sister's husband: "Tito"
* For your father's sister's husband: "Tito"
It's important to note that Tagalog uses the same word for both paternal and maternal uncles.
You can also use "Tiyo", which is a more formal term for uncle, but "Tito" is more common in everyday language.