30/09/2014 Update:
Flag Set for Sketch
A free set of 100 flags for Sketch
06/08/2014 Update:
Free PSD Flags Icon Set
Free psd flags icon set of 30 different countries from all over the world, easy to customize as you wish and suitable for any upcoming design project. Download the whole set now for free!
21/05/2014 Update:
World Cup Flags Icons
20/05/2014 Update:
Flag Icons
Simple Flags 1
Simple Flags 2
195+ Flat National Flag Icons
100+ Flat National Flag Icons PSD
Mini Flags
European Profile Flags
International Flags
International flag pack include: 61 flags, 252×164, png
180 World Flags Icons
242 Flags Flat Icons
Conclusion:
These free national flag icon sets will prove an invaluable resource for social media marketing, ad-making, product designing, presentation design, and other types of business communications.
Choosing a flag to associate with your brand can be a tricky topic, but I’m sure you will find something that suits your business personality best in the sets above.