Buy a Rabbit from Marnie’s Ranch after upgrading your Coop to a Big Coop
Keep the Rabbit in the Coop and wait for it to produce a Rabbit’s Foot
Increase friendship with the Rabbit by petting it daily and keeping it fed
Use the Lucky Ring to improve overall luck-related farming results
Find a Rabbit’s Foot as a rare drop from Serpents in the Skull Cavern
Find a Rabbit’s Foot as a rare drop from Pigs only in special modded or custom content, not the base game
Purchase a Rabbit’s Foot from the Traveling Cart when it appears
Receive a Rabbit’s Foot as a gift from the Desert Trader in exchange for 1 Prismatic Shard
Obtain a Rabbit’s Foot from the Night Market merchant on rare occasions
Get a Rabbit’s Foot from the Statue of Endless Fortune on a villager’s birthday if the item is being requested
Use the Animal Bundle rewards path to unlock faster access to rabbit-related items
Check trash cans and random loot sources for a small chance to find one