Stardew Valley offers a lot of lucky items dropped by the animals in the game, but none are as well known as the rabbit foot. You can obtain a rabbit's foot in three ways, one of which is pretty dark.
Where to find a rabbit's foot in Stardew Valley
The easiest way to obtain a rabbit's foot is to purchase it from the Traveling Merchant. The Traveling Merchant can be found in Cindersap Forest on Fridays and Sundays in the Traveling Cart. There are sometimes rabbit's feet in stock for 1,695-2,825g. We recommend this method since it is the most reliable and you can try it twice a week.
You can also use the dark method we mentioned earlier. It is not uncommon for rabbits to hand a foot over when raised on a farm. Be sure to check on them every day and raise their happiness and mood. The foot of a rabbit will eventually be found on the ground, without explaining which bunny paid the price.
Serpents are also said to drop them in Skull Cavern, but that's so rare that you might as well hope to get it from another animal. You can get a rabbit's foot more reliably by using the methods above.