How do i feel less alone?

I'm 26 and I have alot of social connections and people i can talk to. I regularly see my family, have friends for different things, i'm in a band, play football every week, live with friends etc. Alot of people would feel alone if they were in my shoes. But i seem to be unable to shake the feeling of loneliness. Nothing seems to help. So my question is, is it me? How do i feel less alone? Is it because i don't seem to have a partner to share my life with? So my point is, is it me or is something else?