Helen Nichol or Nicol may refer to:
Helen Nichol (badminton) (born 1981), Canadian badminton player Helen Nicol (1920–2021), Canadian baseball pitcher Phyllis Fraser (1916–2006), American actress, journalist, and children's book publisher, born Helen Brown Nichols Helen Nicol (suffragist) (1854–1932), New Zealand temperance and suffrage activist