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 10 Treasure Demons.
Defeated the Reaper.
Trained all Phantom Thieves to level 70.
Obtained all Master Arts for all characters.
Obtained all Master Arts for Mona.
Obtained all Master Arts for Noir.
Completed the Tree of Knowledge.
Defeated all Dire Shadows.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Spent Persona Points to strengthen a Persona's stats.
Completed the Osaka Jail.
Completed 50 requests.
Obtained all Master Arts for Wolf.
Used Incense.
Obtained all Master Arts for Queen.
Cleared all special requests from the Phantom Thieves.
Cooked 12 types of food.
Defeated a Dire Shadow.
Completed the Kyoto Jail.
Wolf awakened his Persona.
Opened 50 treasure chests.
Completed the Okinawa Jail.
Hit the enemy's weakness 300 times.
Completed the Sapporo Jail.
Obtained all Master Arts for Panther.
Obtained all Master Arts for Skull.
Obtained a total 200 items from the Jails.
Obtained a souvenir for the camper.
Completed the Sendai Jail.
Obtained all Master Arts for Fox.
Obtained all Master Arts for Sophie.
Completed a request.
Maxed out a BOND skill level.
Performed 50 ambushes.
Performed an All-Out Attack 150 times.
Bought something during a limited time sale.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Joker.
Defeated 200 enemies with a phantom dash.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.