| 1967–1981 | 1981–1983 | 1983–1987 | 1987–1990 | 1990–1992 | 1992–1995 | 1995–1996 |
| 1996–1999 | 1999–2004 | 2003–2006 | April–September 2006 | 2006–2008 | 2008–2011 | 2011 |
| 2011–2017 | 2017–2018 | 2018–2020 | 2020–2024 | 2024–present | ||
KHTV
1967–1981
Originally signed on the air on Friday, January 6, 1967 as KHTV, an independent television station on UHF channel 39 established by the WKY Television System, a subsidiary of Oklahoma City-based Oklahoma Publishing Company. The station began with a slide on Channel 39 announcing the new station, accompanied by an advertising campaign. The station began regular programming immediately after.
1981–1983
1983–1987

1987–1990
By coincidence, while the station was operated by Gaylord at the time, this logo was similar to the early logos used by Fox Television Stations' properties (which used Friz Quadrata), including rival station KRIV (UHF channel 26), at various timeframes from 1986 to 1994.
1990–1992
1992–1995
1995–1996
Chicago-based Tribune Broadcasting (whose parent company Tribune Company jointly owned The WB with Time Warner) acquired channel 39 from Gaylord Entertainment (owner of then-superstation KTVT in Fort Worth-Dallas) and became the new network's affiliate for the Houston area on September 20, 1995. Prior to this, cable providers would recieve SuperStation WGN (now NewsNation) in that area.
1996–1999
KHWB
1999–2003, 2003–2004 (primary)
On September 20, 1999, the station changed its call letters to KHWB (for "Houston's WB") to reflect its affiliation.
2003–2004 (secondary), 2004–2006
KHCW
April–September 2006
KHWB changed its callsign to KHCW on April 13, 2006 in preparation for the launch of The CW, which began operations on September 18 of that year.
2006–2008
KIAH
2008
On July 15, 2008, channel 39 changed its call letters to the current KIAH as part of a branding campaign emphasizing the station's local orientation (KIAH also serves as the ICAO airport code for the George Bush Intercontinental Airport).
2008–2011
2011
2011–2017
2017–2018
2018–2020 (primary), 2020–2024 (secondary)
2020–2024
This logo is still used on newscasts.
2024–present
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