File:6. Star Types.png

Description
The stars in my  opinion are:

L (brown dwarf): Teide 1

M (red dwarf): Barnard's Star

K (orange dwarf): 61 Cygni A, B, and planet

G (yellow dwarf): Obvious.

F (white main-sequence): Porrima A and B

A, B, and O (blue main sequence): Bellatrix and Rigel

Red Giant: Gacrux

Blue Hypergiant: R136a1

Yellow Hypergiant: V382 Carinae

Red Hypergiant: UY Scuti

White Dwarf: Van Maanen 2

Pulsar: Lich

Black Hole: HDE 226868