A nice and simple white rotated tile pattern.
Source Another One
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
A repeating background with dark brown stone-like texture and abstract pattern that looks like tree trunks.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
This one needs to be used in small areas; you can see it repeat.
Source Luca
Prismatic Groovy Concentric Background
Source GDJ
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem