The 22-year-old has signed a three-year contract with the club, with the option for a further year.
Competent in any of the three position behind the striker as well as up front, Diakhaby will bring versatility to the Huddersfield side going forward.
A France U21 international, Diakhaby bring a good amount of experience with him, having featured in 30 games for the Monegasque side last season, scoring three goals.
Speaking to the club's official website, manager David Wagner expressed his delight with the signing.
“I’m very happy to be able to welcome Adama to Huddersfield Town today," he explained. "He is a very hungry young footballer with a strong desire to succeed in England, which is fantastic for our Club.
“Obviously he is still learning and improving at 22 years old, but he already has many of the qualities that we look for in our attacking players. He’s a direct player who is comfortable with the ball at his feet and with genuine pace, which suits our style perfectly.
“We’re really looking forward to working with him on the training pitch and seeing him pull on our blue and white shirt in games, as I’m sure our fans are too!”
20 July 2018