A sickle is an agricultural tool. Sickle may also refer to: Sickle Mountain, Antarctica Sickle Ridge, Antarctica Sickle Nunatak, Antarctica The Sickle, a name for part of the constellation Leo Sickle (horse), an English thoroughbred HMS Sickle, a Second World War Royal Navy submarine SS-25 Sickle, NATO reporting name for the RT-2PM Topol mobile intercontinental ballistic missile The sickle, a fictional currency unit and silver coin in the Harry Potter novels, see Fictional universe of Harry Potter#Economy See also Parapholis incurva, also known as sicklegrass, a species of grass Senna obtusifolia, also called sicklepod, a legume Dichrostachys cinerea, also known as sicklebush, a legume Sickel Sickles (disambiguation)