Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Abstract Ellipses Background Grayscale
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The original enhanced with one of Inkscapes's filters.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald