How do I deal with loneliness as a Muslim?

Loneliness in faith is a real hardship, and it is not a sign that something is wrong with you. Islam was described as beginning strange and returning strange, and the Prophet ﷺ gave glad tidings to the strangers (Muslim 145).

Three things help, in this order.

Fix the vertical first. The night prayer exists partly for this: a private conversation where nobody is watching. "Is not the remembrance of Allah the assurance of hearts?" (Qur'an 13:28). Many people find that thirty minutes before Fajr does more for isolation than an evening of company.

Then build one relationship, not ten. The Prophet ﷺ said a person is upon the religion of his close friend, so let each look at whom he befriends (Abu Dawud 4833). One companion who prays is enough to change a year.

Then show up somewhere physically — a masjid halaqah, a class, a food drive. Presence beats intention.

On this site you can join a circle, keep a private night journey, and ask for dua on the dua wall — people you will never meet will say Ameen for you tonight.