Acknowledgment

Acknowledge, acknowledgment, or acknowledgement may refer to:

Arts, entertainment and media

 * Acknowledgment (creative arts and sciences), a statement of gratitude for assistance in producing a work
 * Acknowledgment index, a method for indexing and analyzing acknowledgments in the scientific literature
 * "Acknowledgement" (song), a 1965 song from John Coltrane's album A Love Supreme

Technology

 * Acknowledgement (data networks), a signal used to indicate acknowledgement
 * ACK, a flag used in the Transmission Control Protocol (TCP) to acknowledge receipt of a packet

Other uses

 * Acknowledgment (law), a declaration of one's own act, to give it legal validity
 * Service of process, acknowledgment of service
 * Acknowledgement of receipt, a postal service