Shamrock (disambiguation)
- 1893 Shamrock
- Aer Lingus
- Alicia Webb
- Ballinderry Shamrocks GAC
- Barksdale Organization
- Beatnik Turtle
- Billey Shamrock
- Boston Jr. Shamrocks
- Boston Shamrocks (AFL)
- Calvin Boze
- Chicago Shamrocks
- Cortoon Shamrocks
- Dundas Shamrocks Junior Rugby League Football Club
- Erin Shamrocks
- Frank Shamrock
- HMS Shamrock
- Ken Shamrock
- L boat
- Montreal Shamrocks
- Montreal Shamrocks GAA
- Mount Gay-Shamrock, West Virginia
- Nathan Abshire
- Operation Shamrock
- Oxalis regnellii
- Parry Sound Shamrocks
- Pittsburgh Shamrocks
- Project SHAMROCK
- Raheny Shamrock Athletic Club
- Rescue of Roger Mallinson and Roger Chapman
- Sham Rock
- Shamrock
- Shamrock (Filipino band)
- Shamrock (car)
- Shamrock (comics)
- Shamrock (song)
- Shamrock (yacht)
- Shamrock Buses
- Shamrock Club of Wisconsin
- Shamrock Farms
- Shamrock Foods
- Shamrock Holdings
- Shamrock Hotel
- Shamrock No. 134, Saskatchewan
- Shamrock Oil
- Shamrock Organization
- Shamrock Rovers F.C.
- Shamrock School
- Shamrock Township, Aitkin County, Minnesota
- Shamrock Township, Callaway County, Missouri
- Shamrock Township, Holt County, Nebraska
- Shamrock, California (disambiguation)
- Shamrock, Florida
- Shamrock, Imperial County, California
- Shamrock, Kern County, California
- Shamrock, Missouri
- Shamrock, Oklahoma
- Shamrock, Saskatchewan
- Shamrock, Tamar Barge
- Shamrock, Texas
- Shamrock, Wisconsin
- Shamrocks
- Shamrocks GAA (County Cork)
- Simcoe Shamrocks
- Simcoe, Ontario
- South Carolina Shamrocks
- St. Louis Shamrocks
- St. Louis Shamrocks (1935-1938)
- Times-Shamrock Communications
- Trigonella suavissima
- Victoria Shamrocks
- Washington Generals
- steam yacht
