Most common delusions seen in schizophrenia are
Delusions of persecution are most common delusions in schizophrenia Bizarre delusions may also be seen in schizophrenia Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 398
Delusions of erotomania
Delusions of persecution
Delusions of grandiosity
Delusions of infidelity
Schizophrenia and other psychotic disorders