Thomas McCann is the name of:

• Thomas A. McCann, head football coach at Bowdoin College (1913–1914) and the University of Maine (1917)
• Tom McCann, head football coach at Tusculum College (1924) and the University of Miami (1931–1934)
• Thomas McCann, a Scottish golfer, for whom the shoe brand Thom McAn is named

• Onalaska
• Onalaska, AK
• Onalaska, Alaska
• Onalaska (city), La Crosse County, WI
• Onalaska (city), La Crosse County, Wisconsin
• Onalaska (city), WI
• Onalaska (city), Wisconsin
• Onalaska, Texas
• Onalaska (town), La Crosse County, WI
• Onalaska (town), La Crosse County, Wisconsin
• Onalaska (town), WI
• Onalaska (town), Wisconsin
• Onalaska, TX
• Onalaska, WA
• Onalaska, Washington
• Onalaska, WI
• Onalaska, Wisconsin
• On a Little Street in Singapore
• Onam
• Onamatopoeia
• Onamia
• Onamia, Minnesota
• Onamia, MN
• Onamia Township, Mille Lacs County, Minnesota
• Onamia Township, MN