The cross-back linen Kitchen Apron, now in slate-blue, at studiopatro.com.
Adjustable Apron in three sizes from Yardsandyards: child to adult. Free. Not tried yet. http://yardsandyards.blogspot.com/2010/06/yards-and-yards-original-best.html
"Bubbies Apron" - free pattern download. Maybe I'd ruin fewer shirts if I used an apron more often...
scrap project More
10 Free Apron Patterns
free apron pattern, adults and children
Adjustable Unisex Apron I love modern aprons! This seems to be a great tutorial and an easy project.
15 DIY Apron Sewing Patterns
30 Free Vintage Apron Patterns
children's apron pattern - use white fabric, then have the kids decorate them. Let them dry overnight and the next day USE them to bake!! So cute!!