Sylvain Julien Victor Arend (6 August 1902 – 18 February 1992) was a Belgian astronomer born in Robelmont, Luxembourg province, Belgium.
[2] Together with Georges Roland, he discovered the bright comet C/1956 R1 (Arend-Roland).
[5] The asteroid 1563 Noël is named after his son, Emanuel Arend.
[6] In 1948, Arend started together with sixteen other people the skeptic organisation Comité Para.
The outer main-belt asteroid 1502 Arenda was named in his honor.