R.P. Anderson (N/A–N/A) was an American preacher from Boston, Massachusetts, recognized for his contributions to the Christian Endeavor movement, a significant youth-oriented Christian organization founded in 1881. Little is documented about his early life or personal background, but he emerged as a notable voice within the movement by the early 20th century. Anderson delivered a key address, "Some Dominant Notes in Christian Endeavor," at the Centennial Convention on October 15, 1910, highlighting the growth and impact of the organization, which had expanded from a single society to 71,000 societies with nearly four million members worldwide. His speech emphasized the movement’s role in bridging the gap between Sunday school and church, fostering personal responsibility, and promoting Christian service among young people. Anderson’s ministry aligned with the Restoration movement’s values, such as reverence for scripture and individual responsibility, which he noted as shared principles with Christian Endeavor. He celebrated its practical outcomes, including training young people for ministry, inspiring missionary enthusiasm, and influencing broader Christian initiatives like the YMCA and the Laymen’s Missionary Movement. While his exact birth and death dates remain unavailable, Anderson’s legacy is tied to his eloquent advocacy for youth engagement in faith, as preserved in his published address, reflecting his influence within evangelical circles of his time.