Berry Pretty Vest
The Craft Yarn Council site has a nice selection of free patterns, including this vest decorated with strawberry motifs.
2 Way Vest
This bottom portion of this vest is knit sideways. It would look lovely knit with a handspun, variegated dye yarn.
Knit Vest #4
A vintage pattern for a vest knit with worsted weight yarn.
Lion Knit Vest
Lion Brand Yarns has a free pattern for a knit vest.
Solutia Ladies Knit Vest
A lovely vest pattern from Smart Yarns.
Knitting and Com has a nice selection of knitting patterns, including this vest dating to 1891.
An easy to knit vest with a hood.
Men’s Knit Vests
A men’s vest knit with a cable pattern.
Children’s Knit Vests
Fair Isle Vest
A pretty fair Isle vest / tank top pattern for a child.
Knitting Books: Vest Patterns
Knitting: A Fair Isle Vest
Fair Isle vests knitted in the round for seamless construction, with instructions for two types of casting on, corrugated rib, two-color knitting, kangaroo-pouches, shaped armholes, v-neck shaping, knitting-back backwards, machine-stitched steeks, woven shoulders, pick-up ratio for neck border, neatening and final blocking.
UK: Knitting a FairIsle Vest
Folk Vests (Folk Knitting series)
Knitted vest patterns based on the folk wear traditions of Europe (Scotland, Germany, Ireland, Scandinavia, Switzerland, and England), Asia (Nepal, Japan, and China), Africa, and the Americas.
UK: Folk Vests
Knits for Men: 20 Sweaters, Vests, and Accessories
Classic masculine styles (Nordic, cables, ribs, stripes) made modern through color and yarn selection.
UK: Knits for Men