Think only legendaries / set items increase your movement speed aswell.
Some of them:
Rings:
Unity (6-7% ms +2 random )
Wanderlust (6-7% ms + 2 random )
Amulets:
ToA (6-7% ms + int/str/dex + 1 random)
FoT (6-7% ms, 14-15% as, ~100 vit, +2 random)
Chests:
Tyrael's Might (6-7% ms, str/dex/int, +2 random)
Wrists:
Lacuni Prowlers (6-7% ms, 12-13% as, +3 random)
Legs:
Hammer Jammers (6-7% ms, ~50-90 vit, +3 random)
Inna's (6-7% ms, 14-15% as ~80-150 vit, +1 random)
Boots:
Boj Anglers (10-11% ms, 12-13% as, +1 random)
Zunimassa's (12% ms, 14-15% as, +2 random)