Hitmonlee locations — where to catch

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Canyon Biome — Walk

In Kanto (FireRed & LeafGreen)

• Saffron City — Gift

In Kanto (Red, Blue & Yellow)

• Saffron City — Gift

Other games (3)

• Sword / Shield (Gen 8): Dusty Bowl, Rolling Fields, South Lake Miloch, Stony Wilderness
• Let's Go, Pikachu! / Let's Go, Eevee! (Gen 7): Kanto Victory Road 1, Saffron City
• XD (Gen 3): Citadark Isle

Hitmonlee — full Pokédex entry