- rutherford - a unit strength of a radioactive source equal to one million disintegrations per second
--1 is a kind of radioactivity unit
- Rutherford, Daniel Rutherford - British chemist who isolated nitrogen (1749-1819)
--2 is a kind of chemist
- Rutherford, Ernest Rutherford, First Baron Rutherford, First Baron Rutherford of Nelson - British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937)
--3 is a kind of physicist
- Rutherford, Daniel Rutherford - British chemist who isolated nitrogen (1749-1819)