Nichiko Niwano (born 1938) is the eldest son of Rissho Kosei Kai founder Nikkyo Niwano, and the current President of Rissho Kosei Kai.
Nichiko was born on March 20, 1938 to Nikkyo Niwano and his wife Naoko, just a few weeks after his father had founded Eissho Kosei Kai.
In 1958, Nichiko was enrolled in the Faculty of Buddhist Studies at Rissho University. In 1960, he was named the successor to his father.
After Nichiko graduated from the university's Graduate School in 1968, he was appointed head of the Dissemination Department and president of the Rissho Kosei Kai seminary.
In 1967, he married Ayako Kakeba. They have four daughters.
In 1960, he was chosen to succeed his father as president. He did so on his father's 85th birthday, November 15, 1991. Since his inauguration, he has overseen the expansion of Rissho Kosei Kai.
He travels to various Rissho Kosei Kai centers in Japan and other nations, delivering lectures and sermons. He has written several books, including My Father, My Teacher (1989), The Inward Path (1990), and Modern Meditations (1991).
He teaches members that they should become aware of the value and wonder of life.
He continued his father's legacy of interfaith work and is currently serving as President of the World Conference of Religions for Peace and as Chairman of Shinshuren. He regularly attends interfaith gatherings.