Different type of hitches include:

 Half Hitch

Midshipman's Hitch

Sheepshank
Used for temporarily shortening a rope

Black Wall Hitch
Used for hooking tackle on to the end of a rope

Clove Hitch

Useful as a temporary mooring, tied around a spar or post or as the start of a lashing. Tends to slip when turned but can be secured using two half hitches.

Round turn and two half hitches
Can be used to form the start of a square lashing since it will not slip like the clove hitch

Highwayman's Hitch
A quick-release knot traditionally used for securing a horse to a horizontal spar. Will not slip under strain or rotation

Timber Hitch

Used for when hoisting or dragging a spar

Rolling Hitch

Used to attach a line to a spar or another rope such that the hitch grips it

Marlinespike Hitch

Traditionally used for securing a marlinespike-a pointed metal spike- to the mid-line of a rope

Buntline Hitch

Used to secure a rope to a towing eye or bullring

Anchor Hitch

Used to secure a warp to an anchor or ring