Bay Trail or Bayside Trail may refer to:
Bay Trail, Saskatchewan, unincorporate community in Canada Bay Trail (Australia), a trail in Victoria, Australia San Francisco Bay Trail, a trail in California, United States Bay Trail (system on chip), computer chips in the Intel Atom (system on a chip) platform, Silvermont-based microarchitecture Bay Trail-D, Silvermont based Celeron Desktop computer chip platform by Intel Bay Trail-M, Silvermont based Celeron Mobile computer chip platform by Intel Bayside Trail, a trail in Cabrillo National Monument, California, United States