Pecans are a classic ingredient in pecan pie, but it's not uncommon for people to be allergic to them or to simply not like them. Luckily, there are plenty of other nuts that go great in pecan pie, so you can make it even if you don't eat pecans.The best substitutes for pecans in pecan pie are walnuts and almonds. They have similar textures to the pecan and have complementary flavors. Other nuts you may consider include macadamia nuts and pistachios.The specific nut you choose will depend on your preferences.