Mine are:

Kathryn Janeway
The Doctor
Chakotay
Seven of Nine
Harry Kim

My list goes like this so far:

1. Janeway
2. Seven of Nine
3. The Doctor
4. Chakotay
5. Kes

I admit that I'm a little obsessed with Janeway these days, mainly because of the Janeway/Chakotay shipper in me

Edit: My list goes like this now

1. Seven of Nine
2. Chakotay - Even though I'm resentful for what the writers did to the character... I think they should thank Robert Beltran for keeping Hollowtay alive -
3. The Doctor
4. Icheb
5. Janeway - I'm a little dissapointed, now that I know that JC never happened just because Kate Mulgrew opposition. That's the ultimate reason why C7 came so out of the blue, just because the JC happy ending was on the table until the very end *enough said* Go Chuckles*

1. The Doctor
2. Tom
3. Janeway
4. B'Elanna
5. Seven

I seem to be drawn to secondary characters. And odd thing, at first I was drawn to Harry Kim - but he didn't even make the cut.

1. Seska - wicked evil, and sorry that she was killed off.
2. Katherine Janeway
3. The Doctor
4. Vorik - I hated the Pon farr episode, but he seemed more Vulcan than Tim Russ. Was always happy to see him.
5. Tom Paris

Seven. 💎

Update:

I think Seven of Nine is the only character I truly like, so she is my #1.