A new one called white wall, not by me this time.
Source Yuji Honzawa
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Prismatic Basic Pattern 2 No Background
Source GDJ
White little knobs, coming in at 10x10px. Sweet!
Source Amos
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Prismatic Abstract Geometric Background 5
Source GDJ
Prismatic Polka Dots Mark II No Background
Source GDJ
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin