Sinclair ZX Spectrum
Clive Sinclair
Sinclair QL
Sinclair President
Sinclair User
Richard Sinclair
Upton Sinclair
Scott Sinclair
Dave Sinclair
Sinclair Lewis
Frank Sinclair
Trevor Sinclair
Joshua Sinclair-Evans
James Sinclair
Sinclair Weeks
Christine Sinclair
Farkas (Marvel Comics)
Don S. Davis