There is the Stafford Knot, the Bouchier Knot, the Lacy Knot, the Henage Knot, the Dacre Knot, the Harrington Knot (which is not a knot at all), as well as the Wake Knot. These are heraldic.

There is the Monkey Knot, the Wind Knot, the Peruvian Knot, and conjurors' knots. These are fancy knots.