Delia Lionia Stearns Weatherby (June 7, 1843 - November 6, 1916) was an American temperance reformer and author.

[1] Delia L. Weatherby moved to Baldwin, Kansas with her husband, and was called to be the chair of mathematics at Baker University, but declined.

[1] Inheriting the same disposition which made her father an abolitionist, she early became an active worker in the order of Good Templars.

She was an alternate delegate from the fourth congressional district of Kansas to the National Prohibition Convention in 1892, and also secured, the same year, for the second time by the same party, the nomination for the office of superintendent of public instruction in her own county.

[1] She belonged to the White Ribbon Association and was the president of the Coffey County Woman's Christian Temperance Union for several years.