* For something that is emotionally disturbing: Troublant (pronounced troo-blahn) is the most common and versatile word.
* For something that is physically disturbing or unsettling: Déroutant (pronounced day-roo-tahn) is a good option.
You could also use inquiétant (pronounced en-kee-ay-tahn) which means "worrying" or "alarming."
Here are some examples:
* Le film était très troublant. (The film was very disturbing.)
* La nouvelle est déroutante. (The news is unsettling.)
* La situation est inquiétante. (The situation is worrying.)
Choose the word that best fits the specific situation and the nuance you want to convey.