Here is the full list of all 47 Persona 5 Strikers achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Earned all Achievements.
Maxed out all BOND skill levels.
Completed the Inmate Registry.
Started a New Game+ on Merciless Difficulty.
Defeated the Reaper.
Trained all Phantom Thieves to level 70.
Defeated all Dire Shadows.
Completed the Tree of Knowledge.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Spent Persona Points to strengthen a Persona's stats.
Completed 50 requests.
Completed the Osaka Jail.
Obtained all Master Arts for Wolf.
Obtained all Master Arts for all characters.
Defeated 10 Treasure Demons.
Defeated a Dire Shadow.
Obtained all Master Arts for Mona.
Cleared all special requests from the Phantom Thieves.
Cooked 12 types of food.
Completed the Kyoto Jail.
Wolf awakened his Persona.
Completed the Okinawa Jail.
Obtained all Master Arts for Skull.
Hit the enemy's weakness 300 times.
Opened 50 treasure chests.
Completed the Sapporo Jail.
Obtained all Master Arts for Noir.
Obtained a total 200 items from the Jails.
Obtained all Master Arts for Sophie.
Obtained all Master Arts for Queen.
Obtained a souvenir for the camper.
Completed the Sendai Jail.
Completed a request.
Obtained all Master Arts for Fox.
Performed an All-Out Attack 150 times.
Obtained all Master Arts for Joker.
Used Incense.
Bought something during a limited time sale.
Maxed out a BOND skill level.
Cooked food for the first time.
Completed the Shibuya Jail.
Performed 50 ambushes.
Defeated 200 enemies with a phantom dash.
Obtained all Master Arts for Panther.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.