When Is National Best Friend Day 2025 Date. Although a large group of friends might seem appealing having one trustworthy best friend to celebrate best friends’ day with is all you will ever need! National best friends day (also known as best friend's day, best friends day, national best friend's day) is observed next on friday, august 15th, 2025.

National friendship day 💚 cause: Although a large group of friends might seem appealing having one trustworthy best friend to celebrate best friends’ day with is all you will ever need!