Williams F1 (first era)
This logo was used on Williams' Formula One cars from 1978 to 2005, except the 1984 car.
BMW Williams F1 Team
Williams F1 (second era)
This logo was used on Williams' Formula One cars from 2007 to 2013.
Williams Martini Racing
After Williams got a new partnership with Martini, Williams changed their logo to a new one.