Horatio Hornblower
Horatians.Org - The main collective of fans
Two Evil Monks Guide - A silly and fun look at Hornblower
Ha H'm - A fan's tribute to the book series
Fidelitas et Officium - The approved fanlisting
Anonymous Horatio - A fanlisting
The Boardroom - A fun fan tribute
Horatio Hornblower - Lots of interaction
Horatio's Homepage - A nice little site

Ioan Gruffudd
Gifted - A great site and very classy
Ioan Online - Huge site, lots of fan related stuff
Ioan-Gruffudd.Org - Another great fan site
Ioan Gruffudd International - Hard to navigate but worth it
Wonderful World of Ioan Gruffudd - The name says it all
Ioan Crazy - Small but interesting site
Ioan Central - A gorgeous fan site