OnTV4U (often capitalized as ONTV4U) is an American television network that airs a 24/7 infomercial format, owned by Burlington, Wisconsin-based Cannella Response Television. It can be seen through various cable providers and on the following over-the-air stations;

Affiliates (partial list)

• KAJF-LD 21.7 - Topeka, Kansas
• WZCK 8.1 - Madison, Wisconsin
• W23BW 23.3 - Madison, Wisconsin
• WLEK-LD 22.2 & 22.4 - Boston, Massachusetts
• WZME 43.12 Bridgeport, Connecticut/New York
• KPDF-CD 41.6 - Phoenix, Arizona
• KHDF-CD 19.4 & 19.6 - Las Vegas, Nevada
• KTOU-LD 21.5 - Oklahoma City, Oklahoma
• KAHC-LD 43.1 - Sacramento, California
• WTBM-CD 24.3 - Birmingham, Alabama
• WSDI-LD 30.1 - Indianapolis, Indiana
• WQDE-LD 33.1 - Indianapolis, Indiana
• KQML-LD 46.2 - Topeka, Kansas
• WOST 14.2 - Mayagüez, Puerto Rico
• KCMN-LD 42.5 - Topeka, Kansas
• KPOM-CD 14.12 - Los Angeles, California
• KAZD 55.12 - Lake Dallas, Texas
• KFFV 44.12 - Seattle, Washington
• WWBK-LD 28.6 - Richmond, Virginia
• WFWG-LD 30.2 - Richmond, Virginia
• W25FG-D 36.1 - Philadelphia, Pennsylvania
• WDUM-LD 41.1 - Philadelphia, Pennsylvania
• KYAZ 51.12 - Houston, Texas
• W16CC-D 16.7 - Miami, Florida

Former affiliates

• KAJF 21.5 - Topeka, Kansas (now affiliated with Lx)
• KBTV-CD 8.2 - Sacramento, California (now affiliated with Visión Latina)
• KUSE-LD - Seattle, Washington (now a Cheddar affiliate)
• WEBR-CD - New York City (now public television station WNDT-CD; affiliated with FNX)