In terms of rocketry, Ares could mean:
Three Shuttle-Derived Launch Vehicles under development for NASA's Project Constellation program:Ares I Crew Launch Vehicle (CLV), designed to launch the Orion spacecraftAres IV (launch vehicle), a proposed dual-use launcher for either the CLV or Lunar Surface Access Module (LSAM)Ares V Cargo Launch Vehicle (CaLV), primarily intended to launch the Lunar Surface Access Module.Ares ICBM, a proposed ICBM and SST launch vehicleAerial Regional-scale Environmental Survey (ARES), a proposed Martian rocket airplaneAries (rocket), a modified LGM-30 Minuteman missile, used to test missile defense systems