diff --git a/src/tint/BUILD.gn b/src/tint/BUILD.gn
index 53f557a..91784c4 100644
--- a/src/tint/BUILD.gn
+++ b/src/tint/BUILD.gn
@@ -336,7 +336,6 @@
     "ast/void.h",
     "ast/workgroup_attribute.cc",
     "ast/workgroup_attribute.h",
-    "block_allocator.h",
     "builtin_table.cc",
     "builtin_table.h",
     "builtin_table.inl",
@@ -502,6 +501,7 @@
     "transform/wrap_arrays_in_structs.h",
     "transform/zero_init_workgroup_memory.cc",
     "transform/zero_init_workgroup_memory.h",
+    "utils/block_allocator.h",
     "utils/crc32.h",
     "utils/debugger.cc",
     "utils/debugger.h",
diff --git a/src/tint/CMakeLists.txt b/src/tint/CMakeLists.txt
index 8abbc93..0735873 100644
--- a/src/tint/CMakeLists.txt
+++ b/src/tint/CMakeLists.txt
@@ -225,7 +225,6 @@
   ast/void.h
   ast/workgroup_attribute.cc
   ast/workgroup_attribute.h
-  block_allocator.h
   builtin_table.cc
   builtin_table.h
   builtin_table.inl
@@ -428,6 +427,7 @@
   sem/vector_type.h
   sem/void_type.cc
   sem/void_type.h
+  utils/block_allocator.h
   utils/crc32.h
   utils/enum_set.h
   utils/hash.h
@@ -705,7 +705,6 @@
     ast/variable_test.cc
     ast/vector_test.cc
     ast/workgroup_attribute_test.cc
-    block_allocator_test.cc
     builtin_table_test.cc
     castable_test.cc
     clone_context_test.cc
@@ -783,6 +782,7 @@
     text/unicode_test.cc
     traits_test.cc
     transform/transform_test.cc
+    utils/block_allocator_test.cc
     utils/crc32_test.cc
     utils/defer_test.cc
     utils/enum_set_test.cc
diff --git a/src/tint/clone_context_test.cc b/src/tint/clone_context_test.cc
index 5339d64..3a5a8c9 100644
--- a/src/tint/clone_context_test.cc
+++ b/src/tint/clone_context_test.cc
@@ -27,7 +27,7 @@
   }
 
  private:
-  BlockAllocator<Cloneable> alloc;
+  utils::BlockAllocator<Cloneable> alloc;
 };
 
 struct Node : public Castable<Node, Cloneable> {
diff --git a/src/tint/program.h b/src/tint/program.h
index 9531ca4..23e0945 100644
--- a/src/tint/program.h
+++ b/src/tint/program.h
@@ -39,10 +39,10 @@
 class Program {
  public:
   /// ASTNodeAllocator is an alias to BlockAllocator<ast::Node>
-  using ASTNodeAllocator = BlockAllocator<ast::Node>;
+  using ASTNodeAllocator = utils::BlockAllocator<ast::Node>;
 
   /// SemNodeAllocator is an alias to BlockAllocator<sem::Node>
-  using SemNodeAllocator = BlockAllocator<sem::Node>;
+  using SemNodeAllocator = utils::BlockAllocator<sem::Node>;
 
   /// Constructor
   Program();
diff --git a/src/tint/program_builder.h b/src/tint/program_builder.h
index c245c42..b791d05 100644
--- a/src/tint/program_builder.h
+++ b/src/tint/program_builder.h
@@ -149,10 +149,10 @@
 
  public:
   /// ASTNodeAllocator is an alias to BlockAllocator<ast::Node>
-  using ASTNodeAllocator = BlockAllocator<ast::Node>;
+  using ASTNodeAllocator = utils::BlockAllocator<ast::Node>;
 
   /// SemNodeAllocator is an alias to BlockAllocator<sem::Node>
-  using SemNodeAllocator = BlockAllocator<sem::Node>;
+  using SemNodeAllocator = utils::BlockAllocator<sem::Node>;
 
   /// `i32` is a type alias to `int`.
   /// Useful for passing to template methods such as `vec2<i32>()` to imitate
diff --git a/src/tint/reader/spirv/parser_type.cc b/src/tint/reader/spirv/parser_type.cc
index 06d56c7..42fe6fa 100644
--- a/src/tint/reader/spirv/parser_type.cc
+++ b/src/tint/reader/spirv/parser_type.cc
@@ -268,7 +268,7 @@
 /// The PIMPL state of the Types object.
 struct TypeManager::State {
   /// The allocator of types
-  BlockAllocator<Type> allocator_;
+  utils::BlockAllocator<Type> allocator_;
   /// The lazily-created Void type
   spirv::Void const* void_ = nullptr;
   /// The lazily-created Bool type
diff --git a/src/tint/reader/spirv/parser_type.h b/src/tint/reader/spirv/parser_type.h
index 59e6444..c550ad0 100644
--- a/src/tint/reader/spirv/parser_type.h
+++ b/src/tint/reader/spirv/parser_type.h
@@ -24,8 +24,8 @@
 #include "src/tint/ast/storage_class.h"
 #include "src/tint/ast/storage_texture.h"
 #include "src/tint/ast/texture.h"
-#include "src/tint/block_allocator.h"
 #include "src/tint/castable.h"
+#include "src/tint/utils/block_allocator.h"
 
 // Forward declarations
 namespace tint {
diff --git a/src/tint/resolver/dependency_graph.cc b/src/tint/resolver/dependency_graph.cc
index 8d58018..4e18ce6 100644
--- a/src/tint/resolver/dependency_graph.cc
+++ b/src/tint/resolver/dependency_graph.cc
@@ -702,7 +702,7 @@
   DependencyGraph& graph_;
 
   /// Allocator of Globals
-  BlockAllocator<Global> allocator_;
+  utils::BlockAllocator<Global> allocator_;
 
   /// Global map, keyed by name. Populated by GatherGlobals().
   GlobalMap globals_;
diff --git a/src/tint/sem/type_manager.h b/src/tint/sem/type_manager.h
index a248d44..7cdce66 100644
--- a/src/tint/sem/type_manager.h
+++ b/src/tint/sem/type_manager.h
@@ -19,8 +19,8 @@
 #include <unordered_map>
 #include <utility>
 
-#include "src/tint/block_allocator.h"
 #include "src/tint/sem/type.h"
+#include "src/tint/utils/block_allocator.h"
 
 namespace tint {
 namespace sem {
@@ -29,7 +29,7 @@
 class Manager {
  public:
   /// Iterator is the type returned by begin() and end()
-  using Iterator = BlockAllocator<sem::Type>::ConstIterator;
+  using Iterator = utils::BlockAllocator<sem::Type>::ConstIterator;
 
   /// Constructor
   Manager();
@@ -91,7 +91,7 @@
 
  private:
   std::unordered_map<std::string, sem::Type*> by_name_;
-  BlockAllocator<sem::Type> types_;
+  utils::BlockAllocator<sem::Type> types_;
 };
 
 }  // namespace sem
diff --git a/src/tint/transform/decompose_memory_access.cc b/src/tint/transform/decompose_memory_access.cc
index f251a22..a2e3b71 100644
--- a/src/tint/transform/decompose_memory_access.cc
+++ b/src/tint/transform/decompose_memory_access.cc
@@ -25,7 +25,6 @@
 #include "src/tint/ast/disable_validation_attribute.h"
 #include "src/tint/ast/type_name.h"
 #include "src/tint/ast/unary_op.h"
-#include "src/tint/block_allocator.h"
 #include "src/tint/program_builder.h"
 #include "src/tint/sem/array.h"
 #include "src/tint/sem/atomic_type.h"
@@ -35,6 +34,7 @@
 #include "src/tint/sem/statement.h"
 #include "src/tint/sem/struct.h"
 #include "src/tint/sem/variable.h"
+#include "src/tint/utils/block_allocator.h"
 #include "src/tint/utils/hash.h"
 #include "src/tint/utils/map.h"
 
@@ -315,7 +315,7 @@
   /// List of storage or uniform buffer writes
   std::vector<Store> stores;
   /// Allocations for offsets
-  BlockAllocator<Offset> offsets_;
+  utils::BlockAllocator<Offset> offsets_;
 
   /// Constructor
   /// @param context the CloneContext
diff --git a/src/tint/block_allocator.h b/src/tint/utils/block_allocator.h
similarity index 97%
rename from src/tint/block_allocator.h
rename to src/tint/utils/block_allocator.h
index c6bf377..4823fae 100644
--- a/src/tint/block_allocator.h
+++ b/src/tint/utils/block_allocator.h
@@ -12,15 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SRC_TINT_BLOCK_ALLOCATOR_H_
-#define SRC_TINT_BLOCK_ALLOCATOR_H_
+#ifndef SRC_TINT_UTILS_BLOCK_ALLOCATOR_H_
+#define SRC_TINT_UTILS_BLOCK_ALLOCATOR_H_
 
 #include <array>
 #include <utility>
 
 #include "src/tint/utils/math.h"
 
-namespace tint {
+namespace tint::utils {
 
 /// A container and allocator of objects of (or deriving from) the template
 /// type `T`. Objects are allocated by calling Create(), and are owned by the
@@ -289,6 +289,6 @@
   } pointers_;
 };
 
-}  // namespace tint
+}  // namespace tint::utils
 
-#endif  // SRC_TINT_BLOCK_ALLOCATOR_H_
+#endif  // SRC_TINT_UTILS_BLOCK_ALLOCATOR_H_
diff --git a/src/tint/block_allocator_test.cc b/src/tint/utils/block_allocator_test.cc
similarity index 96%
rename from src/tint/block_allocator_test.cc
rename to src/tint/utils/block_allocator_test.cc
index 8b3ded0..ace0e9f 100644
--- a/src/tint/block_allocator_test.cc
+++ b/src/tint/utils/block_allocator_test.cc
@@ -12,11 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "src/tint/block_allocator.h"
+#include "src/tint/utils/block_allocator.h"
 
 #include "gtest/gtest.h"
 
-namespace tint {
+namespace tint::utils {
 namespace {
 
 struct LifetimeCounter {
@@ -144,4 +144,4 @@
 }
 
 }  // namespace
-}  // namespace tint
+}  // namespace tint::utils
diff --git a/test/tint/BUILD.gn b/test/tint/BUILD.gn
index d34430d..8099317 100644
--- a/test/tint/BUILD.gn
+++ b/test/tint/BUILD.gn
@@ -701,7 +701,6 @@
 
 tint_unittests_source_set("tint_unittests_core_src") {
   sources = [
-    "../../src/tint/block_allocator_test.cc",
     "../../src/tint/builtin_table_test.cc",
     "../../src/tint/castable_test.cc",
     "../../src/tint/clone_context_test.cc",
@@ -714,6 +713,7 @@
     "../../src/tint/symbol_table_test.cc",
     "../../src/tint/symbol_test.cc",
     "../../src/tint/traits_test.cc",
+    "../../src/tint/utils/block_allocator_test.cc",
   ]
 
   deps = [ ":tint_unittests_ast_src" ]