Throughout history, Catholics—both religious and lay—have actively engaged in efforts to end war, poverty, hunger, and injustice. From vastly different disciplines and corners of the world, they have placed their lives at the service of peace, following Jesus’ command: “Blessed are the peacemakers, for they shall be called children of God” (Matthew 5:9).

To be clear, this is not a claim that Catholics are naturally better at keeping the peace. We know well that the history of our Church is marked by both sanctity and sin; we are, after all, a Church of sinners. Rather, this list highlights how, amidst the confusion of the world and the darkest moments of the past century, ordinary people took the call to seek peace to heart.

Here are five Catholics who have been recognized by the Nobel Committee for their efforts. This is not an exhaustive list (it is often hard to judge the interior life of public figures!), but these five men and women offer us profound lessons on what it means to build the Kingdom of Heaven on Earth. I hope they inspire you as much as they inspired me!

Catholics Who Have Won A Nobel Peace Prize

1. Father Dominique Pire (1958)

Born in Belgium, Georges Charles Clement Ghislain Pire (Fr. Dominique) was a Dominican Friar whose life was framed by conflict. As a child, he fled his home during WWI. When WWII broke out, he served as a chaplain to the Belgian resistance, helping smuggle allied pilots to safety.

However, his greatest work began after the guns fell silent. Seeing the devastation of post-war Europe, he founded Aid to Displaced Persons. Unlike large government agencies that focused on statistics, Fr. Dominique focused on the human heart. He built villages for refugees in Austria, Belgium, and Germany, and established a system where individuals could “sponsor” and write letters to refugee families, restoring their dignity through personal connection.

“And so it is that each of us can remain exactly and humbly what he is, doing whatever task God has set before him; this in my case is to continue with love, initiative, tenacity, realism, and patience, to plow my little furrow in the interests of Displaced Persons… We not only can, but should, stay each in his own place, not cutting ourselves off from the rest of the world, but working for peace wherever we may be.“

Fr. Dominique teaches us the power small acts of mercy performed with great courage. He didn’t wait for systemic changes; he started by loving the person in front of him. He reminds us that we don’t need to save the whole world to be peacemakers; we simply need to “plow our little furrow” with love and tenacity.

2. Saint Teresa of Calcutta (1979)

Perhaps the most recognizable figure on this list, Anjezë Gonxhe Bojaxhiu—Mother Teresa—was a giant of the 20th century. Born in what is now North Macedonia, she joined the Sisters of Loreto and was sent to India. While teaching in Calcutta, she experienced a “call within a call” to leave the convent walls and serve the poorest of the poor in the slums of the city.

She founded the Missionaries of Charity in 1950, an order dedicated to caring for “the unwanted, the unloved, the uncared for.” Despite facing her own profound spiritual darkness and lack of funds, she opened over 500 missions in 100 countries before her death. She was canonized by Pope Francis in 2016.

“I choose the poverty of our people. But I am grateful and I am very happy to receive [this prize] in the name of the hungry, of the naked, of the homeless, of the crippled, of the blind, of the leprous, of all those people who feel unwanted, unloved, uncared, thrown away of the society… Our poor people are great people, are very lovable people, they don’t need our pity and sympathy, they need our understanding love.”

Mother Teresa forces us to look at the poverty in our own homes and hearts. She teaches us that peace begins by creating bridges with the person next to us. Her life is a testament that holiness is not a luxury for the few, but a simple duty for each of us.

3. John Hume (1998)

John Hume was an important figure of Irish politics, born into a working-class Catholic family in Derry, Northern Ireland. Living in a city physically divided by battlements and religiously divided by sectarian violence, Hume chose a different path. He trained for the priesthood but ultimately felt called to serve through lay leadership.

He became a champion of the non-violent Civil Rights Movement in the late 60s. Hume believed that peace wasn’t just the absence of shooting, but the presence of justice. He helped establish Credit Unions to give the working class economic dignity and was one of the primary architects of the Good Friday Agreement, which brought an end to decades of violence in Northern Ireland.

“Difference is of the essence of humanity. Difference is an accident of birth and it should therefore never be the source of hatred or conflict. The answer to difference is to respect it. Therein lies a most fundamental principle of peace – respect for diversity.”

Hume practiced what he called “Practical Christianity.” He shows us that our faith belongs in the public square, not to dominate, but to serve. His life proves that rigid ideologies lead to death, but dialogue—treating the “other” with dignity regardless of their creed—leads to life.

4. Wangari Maathai (2004)

Wangari Maathai was the first African woman to win the Nobel Peace Prize. Born in rural Kenya, she converted to Catholicism while studying at a boarding school run by Italian nuns, where she was deeply involved with the Legion of Mary. This formation, combined with her tribe’s reverence for nature, shaped her worldview.

A brilliant biologist, she founded the Green Belt Movement in 1977. She realized that poverty, conflict, and environmental degradation were linked. By organizing women to plant trees, she fought deforestation while empowering women to earn an income. She suffered political persecution and even jail time for her defense of democracy and creation, but she never lost hope.

“We are called to assist the Earth to heal her wounds and in the process heal our own – indeed, to embrace the whole creation in all its diversity, beauty and wonder.”

Long before Laudato Si’, Wangari understood that caring for the environment is a spiritual work of mercy. She teaches us that “creation care” isn’t just about politics or civic life; it is about recognizing God’s signature in the natural world.

5. Father Jose Ramon Villarin, S.J. (2007)

Known affectionately as “Fr. Jett,” Villarin is a Filipino Jesuit priest and a physicist. While he did not win the Nobel Prize individually, he was a member of the Intergovernmental Panel on Climate Change (IPCC), which was jointly awarded the Nobel Peace Prize in 2007 (along with Al Gore) for their efforts to disseminate knowledge about man-made climate change.

Fr. Jett represents the long tradition of “Scientist-Priests” in the Church. He served as President of the Ateneo de Manila University and has spent his life bridging the gap between faith and science. His work focuses on atmospheric physics, yet he views the climate crisis through the lens of theology and justice, arguing that climate change threatens peace by creating scarcity and conflict.

“The present is its own grace. Let us take care not to miss the graciousness of just being here. Let us train our hearts to see goodness as God in Genesis saw goodness. There is goodness in things just coming to be, in the utter simplicity of being.”

Fr. Jett reminds us that Faith and Science are not enemies; they are two lungs breathing the same truth. His work challenges us to see that being a peacemaker in the modern world requires intellectual rigor. We must use our minds to solve the crises that threaten the poor, recognizing that scientific truth can be a path to God.