• Tachophobia - Fear of speed
• Taeniophobia - Fear of tapeworms
• Taphephobia - Fear of being buried alive or of cemeteries
• Taphophobia- - Fear of graves
• Tapinophobia - Fear of being contagious
• Taurophobia - Fear of bulls
• Technophobia - Fear of advanced technology
• Telephobia - Fear or reluctance of making or taking telephone calls
• Teratophobia - Fear of bearing a deformed child or fear of monsters or deformed people
• Testophobia - Fear of taking tests
• Tetanophobia - Fear of lockjaw, tetanus
• Tetraphobia - Fear of the number 4
• Teutophobia - Fear of German or German things
• Textophobia - Fear of certain fabrics
• Thaasophobia - Fear of sitting
• Thalassophobia - Fear of the sea or fear of being in the ocean
• Thanatophobia - Fear of dying
• Thantophobia- Fear of death
• Theatrophobia - Fear of theaters
• Theologicophobia - Fear of theology
• Theophobia - Fear of gods or religion
• Thermophobia - Fear of intolerance to high temperatures
• Tocophobia – Fear of childbirth
• Tokophobia - Fear of pregnancy
• Tomophobia - Fear of invasive medical procedure
• Tonitrophobia - Fear of thunder
• Topophobia - Fear of certain places or situations, such as stage fright
• Toxiphobia - Fear of being poisoned
• Transphobia - Fear of transgender people
• Traumatophobia - Fear of having an injury
• Tremophobia - Fear of trembling
• Trichinophobia - Fear of trichinosis
• Trichophobia - Fear of hair loss
• Triskaidekaphobia - Fear of the number 13
• Tropophobia - Fear of moving or making changes
• Trypanophobia - Fear of needles or injections
• Trypophobia - Fear of holes or textures with a pattern of holes
• Tuberculophobia - Fear of tuberculosis
• Turophobia – Fear of cheese
• Tyrannophobia - Fear of tyrants