The Catholic bishops have issued a pastoral letter which has pointed out that "Jesus's love for humanity should be reflected in our relationships with others", and that "every human life is sacred because it is created in the image of God".
The letter, Life in all its fullness, has been issued to mark the European Year of People with Disabilities and the Special Olympics. It will be distributed in parishes throughout the country this weekend.
The bishops have said "it is important that we, as a Church community, acknowledge the innate value and unique mission of all our members", and that "the Church community is not complete without those with disabilities".
They said: "Following the example of Jesus, we can open our hearts to one another and recognise the strengths of every person."
They added: "Jesus Christ invites all of us to share at the table of the Eucharist" so every effort should be made to make parish buildings more user-friendly for the disabled.
The Special Olympics were "a magnificent symbol of what may be achieved when we focus on the abilities and skills of people rather than on their disabilities.
"The athletes will teach us much about motivation and determination, and will bring enormous enjoyment to a worldwide audience."
At the request of the leaders of the Catholic, Church of Ireland, Methodist and Presbyterian Churches, a prayer for the Special Olympics will also be distributed in parishes this weekend. It asks for blessings on the athletes, their families and everyone involved in the games.