• I
• Iarlaithe
• Iceland ⚐
• Ichthys
• Iconic
• IC-XC
• Identify
• Ignatius
• IHC
• IHS
• Iku Turso
• Ikurrina
• Illness
• Illuminates of Thanateros
• Imbolc
• Immaculate Heart of Mary
• Immissa
• Imp
• In Loving Memory
• Inca
• Incised
• Inclined
• Incubus
• Incuse
• Indented
• Independent Anglican
• Indian (Asian)
• Indian (North American)
• Indigenous
• Infant
• Infidel
• Infinity
• Inhabited
• Inlay
• INRI
• Inscription
• Integrated
• Intending
• Interfaith
• Interlaced
• Interlocking
• International Church of the Foursquare Gospel +
• International Order of St. Luke
• International Safety Orange
• Intricate
• Invected
• Inverted
• Invicta
• Iona (Ionic)
• IOT
• Iota-Chi
• Ireland
• Irish
• Iron
• Irreligionist
• Islamic
• Ivy
• IX
• IXOYE

⚐ denotes cross on the flag of a nation or region
+ denotes cross on the emblem of a church or denomination

There are countless more. We are continually updating information on all these crosses and adding more as they become known to us.