Here's a list of the 20 most common passwords:

1. 123456
2. 12345
3. 123456789
4. Password
5. iloveyou
6. princess

7. rockyou
8. 1234567
9. 12345678
10. abc123
11. Nicole
12. Daniel
13. babygirl
14. monkey
15. Jessica
16. Lovely
17. michael
18. Ashley
19. 654321
20. Qwerty

I'm partial to number 4. How about you?

Here's a link to a discussion of passwords and why you might want to change yours.