Belle Alliance Plantation, plantation house in Assumption Parish, Louisiana, United States

Belle Alliance is an Italianate and Greek Revival plantation house on the east bank of Bayou Lafourche in Assumption Parish, about 5 miles southwest of Donaldsonville and 0.62 miles northeast of Belle Rose. Charles Anton Kock, who also owned St. Emma Plantation, had it built around 1846 using enslaved labor to grow sugar on a tract of about 7,000 acres granted in the 1770s to Don Juan Vives, a physician and military officer of the Spanish government. It was listed on the National Register of Historic Places in 1998.

In the 1770s the Spanish government granted this 7,000-acre tract on the east bank of Bayou Lafourche to Don Juan Vives, a physician and military officer. Charles Anton Kock, a planter who also owned St. Emma Plantation, had the Belle Alliance house built around 1846 using enslaved labor to grow sugar. The house was listed on the National Register of Historic Places in 1998.

The main house is privately owned and interior access may be limited, but the exterior provides a clear view of the architectural details and craftsmanship from the 1800s. The property is located near Donaldsonville, making it easily reachable for visitors traveling through southern Louisiana.

The land Belle Alliance occupies was granted in the 1770s to Don Juan Vives, a physician and military officer of the Spanish government, as a 7,000-acre plot on the east bank of Bayou Lafourche. The house itself was built around 1846 by planter Charles Anton Kock, who also owned the St. Emma Plantation and used enslaved labor to grow sugar. The plantation gave its name to the surrounding unincorporated community of Belle Alliance.