PNG ICO ICNS MORE
UI
Pixel
Silk
user, profile, gray
DarkSlateGray
16x16
user, red, profile
SaddleBrown
green, user
Goldenrod
Orange, user
Suit, user
SteelBlue
Vaga
user
SkyBlue
user, Add
user, delete
Edit, user
LightSteelBlue
PNG MORE
Mixed
Twotiny
Blue, user
MidnightBlue
10x12
delete, user
Black
14x17
13x16
DarkGreen
Computer & hardware
ASP.NET icons
user, Change, Edit
Gold
Add, Administrator, user
Pen, user, Edit
DimGray
user, delete, remove
Administrator, Man, user
Firebrick
Add, user
user, Edit